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The concept of prejudice emerged during the early twentieth century and soon became the most prominent social scientific and lay concept to describe antipathy for others based on their social group or category membership. Social scientists have typically defined prejudice as a negative intergroup attitude. Many, however, have added the rider that this negative intergroup attitude is bad or unjustified in some way, and it is this broader concept that has been entrenched in lay discourse. This conceptualization raises several issues. One is whether it is indeed possible to distinguish between negative intergroup attitudes that are prejudiced (that is, bad or unjustified) and those that are not. A second issue is that of the structure and dimensionality of these negative intergroup attitudes, a third is whether there are different types or kinds of prejudice, and a fourth is that of how prejudice has been explained and understood.

Prejudice: Social Problem, or Problem Concept

The perspective of prejudice as a "bad" or "unjustified" attitude arises out of the social-problems approach to the study of intergroup relations, which was prominent for much of the twentieth century. This perspective implied a distinction between those intergroup attitudes that were socially problematic and those that were not, and only the former qualified as prejudice per se. For example, George Simpson and J. Milton Yinger, in their influential handbook Racial and Cultural Minorities: An Analysis of Prejudice and Discrimination (1985), write that "for a democrat to be prejudiced against communists and fascists is different from his being prejudiced against Japanesenot entirely different, to be sure, but sufficiently so to require separation in vocabularies (for example, prejudice 1 and prejudice 2). It is the latter type that is the subject of this book" (p. 22).

But how do negative intergroup attitudes that are prejudiced differ from negative intergroup attitudes that are not prejudiced? A number of possible differences have been proposed. It has been suggested that prejudiced intergroup attitudes involve a faulty or incorrect generalization, that they involve rigid or inflexible attitudes, that they are overgeneralized attitudes, that they are irrational attitudes, that they justify discrimination, that they are attitudes that are not based on actual experience, that they are attitudes that are not based on objective evidence, and that they are unjust attitudes.

The problem with this pejorative concept of prejudice is that no evidence has ever shown that those negative intergroup attitudes viewed by social scientists as prejudiced are actually any more rigid, inflexible, irrational, any more based on faulty or incorrect generalizations, and any less based on real experience and objective evidence than negative intergroup attitudes not viewed as prejudiced. The distinction therefore has tended to reside purely in the belief, sometimes explicit but more commonly implicit, that these negative intergroup attitudes are "unjust" without any further specification in observable or measurable terms. The attribution "unjust" has therefore been purely a value judgment that is inevitably influenced by the beliefs, group membership, and biases of the person making it as well as the social and historical circumstances. For example, Simpson and Yinger's suggestion that a democrat's dislike of communists may be justified but not a dislike of Japanese may have seemed reasonable to American social scientists in the 1970s but might not have seemed as reasonable during World War II, when the Soviet Union and the United States were allies in the war against Japan.

Because the idea of prejudice as a bad or unjustified negative intergroup attitude has never had any empirical basis and therefore has not been empirically measurable, the body of knowledge that has emerged on the topic of "prejudice" actually consists of research on intergroup attitudes. Because of the social-problems perspective, social scientists have focused most of their attention on attitudes toward those social or ethnic groups, particularly minorities, which they have viewed as being the targets of unjustified negative attitudes and discrimination. Thus during the twentieth century first anti-Semitism and then antiblack racism were particular foci of attention.

There is no evidence, however, that the nature and dynamics of these "unjustified" negative intergroup attitudes toward minorities differ from negative attitudes that might be held by these minorities against majorities or indeed from any other negative intergroup attitudes, whether seen as "justified' or "unjustified."

This problem with prejudice as a pejorative concept might be one reason why the term "prejudice" has been less used in the social-science literature on intergroup relations and attitudes since the last two decades of the twentieth century. When it has been used, it has also tended to be defined in an ostensibly neutral and nonpejorative manner, as simply referring to "negative intergroup attitudes" (Duckitt, 1992, pp. 15, 18), though the implication that these attitudes are "unjustified" has tended to remain, particularly in lay discourse. This shift toward defining prejudice in nonpejorative and ostensibly neutral terms has also paralleled a move away from the social-problems perspective of prejudice and the emergence of the cognitive approach to studying intergroup relations in psychology. This cognitive approach has viewed intergroup biases and stereotyping as being rooted in universal human cognitive processes rather than as pathological or abnormal phenomena.

The Structure of Intergroup Attitudes

Given that prejudice is conceptualized as a negative intergroup attitude, the issue of the structure and dimensionality of these negative intergroup attitudes arises. Social psychologists have distinguished three distinct components of prejudice or ways in which negative intergroup attitudes can be expressed or manifested. These are in the form of negative stereotypes (cognitive component) of the target group, negative feelings (affective component) toward the target group, and negative behavioral inclinations (behavioral component) toward the target group. Each of these components of negative intergroup attitudes will be briefly considered below.

Stereotypes and prejudice.

Contemporary social scientists typically define stereotypes as beliefs about the personal characteristics of a group or category of people. In contrast to traditional approaches that saw stereotypes as necessarily incorrect, irrational, rigid, or faulty in some way, stereotypes in the early twenty-first century are seen as arising out of normal and adaptive cognitive processes, such as categorization, which function to reduce the complexity of social information processing. An important conclusion from research within this new approach has been that stereotypes function as generalized expectancies about social categories or groups, which bias the perception of and behavior toward individual members of those groups so as to maintain the stereotype and generate behavioral confirmation of it.

Stereotyping per se, however, does not necessarily involve prejudice. Out-group stereotypes can be evaluatively positive, neutral, or negative. Only evaluatively negative stereotypes are usually viewed as expressive of prejudiced attitudes. But how important are negative stereotypes as an expression of prejudice?

It has been widely assumed that negative stereotypes should be strongly associated with other expressions of prejudice, such as negative feelings or affect toward the target group or discriminatory behavior toward and behavioral avoidance of the target group. The evidence, however, does not seem to support this. John Brigham's review of research on stereotyping concluded that negative stereotypes and prejudice were only weakly and inconsistently related. Later research has come to similar conclusions. A meta-analysis of thirty hypothesis tests from twelve different studies indicated that American whites' evaluative stereotypes of blacks correlated positively but only weakly with whites' overall racial attitudes and very weakly with indices of discriminatory behavior toward blacks (Dovidio et al.). These findings suggest therefore that negative stereotypes may not be as important a component of prejudice as has been frequently assumed.

Intergroup affect and prejudice.

Although psychologists had originally believed that negative affect or feelings of dislike for out-groups were the central core of prejudice, in the 1970s their emphasis began to shift toward cognitive aspects of prejudice, such as categorization and stereotyping. However, during the 1990s several influential commentaries suggested a possible shift back to an emphasis on affect as central to intergroup attitudes, behavior, and relations. For example, Susan Fiske has suggested that prejudice should be conceptualized specifically as negative intergroup affect. Eliot R. Smith has also proposed a theory suggesting that when group identity is salient, the way in which people appraise intergroup contexts or relationships generates particular feelings about out-groups, and it is these "social emotions" that constitute prejudice and determine intergroup behavior.

Research has also suggested that affect toward out-groups may be the most critical component of prejudiced attitudes. Charles Stangor et al. found that affective responses to national, ethnic, and religious groups were clearly better predictors of general favorability toward and social distance from these groups than the stereotypes held about those groups. The aforementioned meta-analysis by John Dovidio et al. found that affective prejudice toward blacks correlated more strongly with discriminatory behavior toward blacks than did the stereotypes of blacks. Empirical research therefore seems to support those, such as Smith and Fiske, who have argued that the feeling or affective component of prejudice is its most central and critical aspect.

Behavioral expressions of prejudice: Social distance, discrimination, and violence.

While social psychologists have primarily studied the cognitive, perceptual, and affective aspects of prejudice, sociologists have devoted more attention to its behavioral expressions, in the form of peoples' intentions and dispositions to behave negatively to out-group members. The most studied behavioral expressions of prejudice have probably been social distance preferences (behavioral avoidance) and discriminatory behavior. Interestingly, intentional acts of serious violence against individuals because of their group or category membership, or "hate crimes," have been much less studied.

Social distance is typically measured using variants of a questionnaire originally developed by Emory Bogardus in 1925, which asked about people's willingness to have personal contact of varying degrees of intimacy ("close kinship by marriage," "in my street as neighbors," "employment in my occupation," "citizenship in my country") with members of particular ethnic groups. An important finding from social-distance research has been of the relatively consensual or normative nature of prejudice within societies. Numerous studies have documented a hierarchy of social-distance preferences in the United States that is widely accepted and has remained remarkably stable over much of the twentieth century. At the top of this hierarchy are fair-skinned North European peoples, followed by East and South Europeans, then Asian peoples, and finally African peoples at the bottom. Even low-ranking minorities accept the hierarchy, except for their own group, which they rank high.

Louk Hagendoorn's comparative research on the social-distance hierarchies within a number of West and East European societies confirmed that these hierarchies are highly consensual within social groups. They also tend to be consensual across groups within particular societies, except when there are sharp ideological or cultural cleavages within the society, in which case the conflicting groups might disagree on the hierarchy. This was the case, for example, for Islamic versus non-Islamic groups in several countries from the former Soviet Union.

The existence of pervasive discrimination against groups that are the targets of prejudice has been extensively documented. For example, Thomas F. Pettigrew has reviewed the substantial body of research on high levels of prejudice against and discrimination toward the new immigrant minorities of western Europe. Numerous studies have shown the existence of pervasive discrimination against blacks in the United States, despite apparent declines in overt prejudice.

It is interesting that at the group level there seems to be a strong tendency for those groups who are negatively stereotyped and the targets of prejudiced affect to be most discriminated against. This contrasts with the weak relationship obtained between discriminatory behavior and negative stereotypes and the moderate one between discriminatory behavior and intergroup affect at the individual difference level.

Aggression and violence toward out-group members constitute more extreme behavioral expressions of prejudice. Numerous studies have documented the long history of violence against blacks in the United States, and Pettigrew has described the late-twentieth-century and early twenty-first-century up-surge in anti-immigrant violence in western Europe. Much attention has therefore focused on the conditions that lead to prejudice being expressed in violence. Early findings suggesting a correlation between lynching of blacks in the American South and economic hardship have not been supported by subsequent reanalyses and new data. Nor has clear evidence emerged of a relationship between unemployment and hate crimes. Instead, ecological studies have suggested that xenophobic reactions might be particularly likely in situations where "established groups confront outsiders whose growing numbers and social practices challenge the preexisting hierarchy in which they occupied a favorable position" (Green et al., p. 430).

The Varieties of Prejudice

While prejudiced intergroup attitudes should always involve cognitive, affective, and behavioral expressions in the form of unfavorable stereotypes, feelings of antipathy, and behavioral expressions of prejudice, a somewhat different issue is that of whether different kinds or forms of prejudice exist. This idea originated from research in the United States, which suggested that two different kinds of racism existed there, with one having a more traditional or overt form and the other a newer, more modern, or more subtle form.

Traditional racism and the new racisms.

Several theories have proposed that a new more covert or subtle kind of racism emerged in the United States after the desegregation of the Southa form of racism that supplemented or supplanted an older more traditional form characterized by beliefs in black biological inferiority, white supremacy, and the desirability of segregation and formal discrimination. Some important empirical findings stimulated the emergence of these theories. First, findings indicated that despite survey evidence of sharp declines in whites' racial prejudice after the early 1960s, anti-black discrimination and racial inequality did not show corresponding decreases. Second, many ostensibly nonprejudiced whites expressed strong opposition to policies designed to reduce these inequalities. And third, research also indicated that whites' overtly friendly behavior to blacks or apparently non-prejudiced questionnaire responses could be accompanied by covert negative affect revealed by subtle indicators such as voice tone and seating distance or revealed when they were hooked up to a simulated lie detector (the bogus pipeline technique).

There have been four main approaches to this new racism: symbolic or modern racism, subtle versus blatant prejudice, ambivalent racism, and aversive racism. These four approaches have varied in their conceptualization of this new racism, but their essential features seem similar. The most important of these approaches is that termed symbolic or modern racism by David Sears. It has been described as a blending of antiblack affect with traditional Protestant ethic and conservative values. Thus blacks are disliked because they are seen as violating basic moral values, such as self-reliance, individual responsibility, and the work ethic. The modern racism scale was developed to measure this dimension and has tended to be highly correlated with measures of traditional racism yet factorially distinct from them. Numerous studies have found that the modern racism scale is a markedly more powerful predictor of whites' racial policy preferences and candidate preferences in racialized election campaigns than measures of traditional racism, political preference, or conservative ideology.

The second approach to the new racism was subsequently developed by Pettigrew and Roel Meertens, who constructed a set of scales to measure constructs very similar to symbolic and traditional racism that they have used extensively in European countries to measure prejudice against local minorities and outgroups. Their first component, "blatant prejudice," was assessed by subscales of "threat" and "rejection" and seems essentially equivalent to traditional racism. Their second component, "subtle prejudice," was assessed by three subscales of "defense of traditional values," "exaggeration of cultural differences," and "lack of positive affect," and is clearly similar to symbolic racism.

Third, Irwin Katz and R. Glen Hass took the new versus old racism distinction a step further by suggesting that white Americans' racial attitudes could involve not just a new symbolic or subtle racism but also racial ambivalence. Their findings suggested that many whites could simultaneously hold antiblack and problack attitudes, and the resulting ambivalence could account for highly polarized responses to blacks, with "desirable" behavior by blacks eliciting particularly positive responses and "undesirable" behavior eliciting particularly negative and discriminatory responses.

The fourth approach, that of aversive racism, also emphasizes ambivalence in American whites' attitudes to blacks, though in a somewhat different form. It proposes that most whites acquire egalitarian beliefs and a nonprejudiced self-image at an overt and conscious level. At the same time, however, their exposure to a society characterized by black-white differentiation and inequality generates underlying covert negative feelings to blacks. This ambivalence results in whites generally behaving in an overtly nondiscriminatory manner toward blacks in order to preserve their nonprejudiced self-images while also behaving in a discriminatory manner in more ambiguous situations where the discrimination can be rationalized away or excused.

The concept of new racisms has not been without controversy. Critics have asserted that symbolic racism has been conceptualized and measured inconsistently over time and that the varying themes identified with it have not yet been coherently articulated or adequately measured. It has also been suggested that the "new" racisms are not really different at all but simply more subtle and socially acceptable expressions of the same old racism.

Implicit and explicit prejudice.

During the 1990s the idea of the existence of new forms of prejudice was taken a step further. The distinction was now made between explicit prejudice, operating at a conscious level and therefore including both traditional and modern racisms, and implicit prejudice, which was assumed to be automatically activated by target persons and to operate largely unconsciously.

A variety of measures of implicit prejudice have been used. Some are indirect or covert behavioral indices of prejudice, such as linguistic biases, eye contact, or nonverbal behaviors, which could be subject to intentional control but typically would not be. Others are truly implicit measures of automatic cognitive or physiological responses that cannot readily be intentionally controlled. The most common have been "priming techniques," which measure how quickly positive or negative stereotypes can be activated after individuals are briefly exposed to a group or social category label, and variations of that procedure, such as the Implicit Association Test (IAT), which assesses how strong the temporal association is between a group or social category label and positively or negatively evaluative terms.

It was initially assumed that these implicit measures might provide more accurate information about peoples' real attitudes, but research findings have suggested a more complex picture. Generally whites have shown markedly greater negativity toward blacks on implicit measures of racism than on explicit measures, as would be expected. The difficulty with the concept of implicit prejudice, however, has been that different measures of implicit stereotyping and prejudice have tended to be only weakly correlated with each other, suggesting that they might not be measuring a single dimension at all, and they have also tended to be uncorrelated with explicit measures of prejudice or behavioral indices of discrimination.

One possible reason for the discrepancies between implicit and explicit measures is that they might reflect different response systems. Dovidio et al. have shown that automatically activated implicit evaluative stereotypes predict people's spontaneous interracial reactions (such as eye contact and rate of blinking) but not their more deliberative, controlled interracial judgments or behaviors (overtly expressed attitudes, interview evaluations, or judgments of guilt in simulated court cases). Explicit prejudice measures such as the modern racism scale on the other hand predicted deliberative responses but not spontaneous reactions.

Two theories of prejudice have been used to explain why there might be considerable discrepancies between individuals in their explicit and implicit prejudice against a particular group. Both suggest this discrepancy might arise from individuals acquiring values that motivate them to attempt to control prejudiced attitudes or stereotypes that were acquired earlier in socialization and that are therefore automatically activated by target persons. However, the nature of the values and motives proposed by the two theories differ in certain crucial respects. The theory of aversive racism suggests that many whites have underlying, covert racist attitudes but adopt and express egalitarian attitudes at an overt level in order to maintain a self-image of themselves as nonprejudiced and egalitarian. Because of their covert racism, they will act in discriminatory ways in situations in which they can rationalize or excuse it and will do so without guilt. Patricia Devine's theory suggests that whites acquire negative stereotypes of blacks during socialization. Later some whites come to internalize explicitly antiracist values, which are genuine and deeply held. As a result, their underlying and automatically activated prejudiced reactions engender guilt and are therefore inhibited whenever they are under conscious control.

These theories, and most of the research on implicit prejudice, have assumed that implicit prejudice and stereotypes are stable evaluative orientations that are automatically activated in response to stigmatized group members. Recent research, however, has shown that implicit prejudices seem to be malleable and fluid and to vary markedly in response to situational cues and motivational influences. Andrew Karpinski and James Hilton have therefore suggested that implicit attitudes reflect the evaluative associations with out-groups that people have been exposed to in their environment and not the degree to which they endorse these associations. One implication of this is that because these "implicit" associations have not been consciously articulated and organized in "explicit" form, the actual evaluative out-group associations elicited in any situation may be markedly influenced by the nature of the activating cues, procedures, and situation. This could explain the variability in implicit prejudice across situations and measuring techniques and the weak correlations between different implicit measures and between them and explicit measures of prejudice.

Explaining Prejudice

There have been a number of historical shifts in the dominant explanations of prejudice, and it is possible to identify six distinct periods in the way in which prejudice has been understood by social scientists. These paradigmatic shifts in explanation have been influenced by social and historical circumstances making particular questions or issues about the nature and causation of prejudice salient at the time as well as by empirical research findings. Different social-policy approaches to prejudice have therefore characterized each of these six periods. These six historical periods, their dominant theoretical and conceptual approaches to prejudice, and their social policy emphases are summarized in Table 1 and briefly described below.

Race theory: Up to the 1920s.

During this period, racist attitudes were largely viewed as natural responses of "advanced" Western peoples to "inferior" or "backward" colonial peoples or "racially different" minorities. These attitudes had their logical social-policy expressions in justifying the political domination of these "backward" peoples, their segregation (formal or informal), and discrimination against them.

Race prejudice: The 1920s and 1930s.

After World War I, however, as Western colonial rule was increasingly challenged and a black civil rights movement emerged in the United States, the idea of the inferiority of other "races" came to be rejected, at least by intellectual elites and social scientists. This stimulated a dramatic reversal in the way in which racist attitudes were conceptualized, from natural responses to the inferiority of other races to race prejudicethat is, as unjustified, unfair, and irrational negative intergroup attitudes.

The dominant explanation of prejudice that emerged during this period was the psychoanalytically derived frustration-displacement theory. This approach saw prejudice as an unconscious defense through which social stress and frustrations were displaced through the scapegoating of out-groups and minorities. This seemed to explain both the irrationality and unfairness of prejudice and its social pervasiveness.

This explanation of prejudice had its logical expression in the social policy of assimilation. The typical targets of prejudice and scapegoating were those viewed as different from and "less developed" (socioeconomically, culturally, ethnically) than the dominant majority. Thus assimilation of these minorities and colonial peoples would "civilize" or "uplift" them socially and economically, and with this, prejudice and discrimination against them should gradually erode.

Ideology and personality: The 1940s and 1950s.

After World War II the dominant explanation of prejudice shifted, driven largely by the need to explain the Holocaust and anti-Semitism in Nazi Germany. It did not seem conceivable that these could be acts of normal persons, so prejudice came to be seen as the expression of disturbed or authoritarian personalities propagating antidemocratic and authoritarian ideologies. The social-policy implication of this approach was that both racial and political tolerance would arise out of the spread of liberal democratic values and institutions and the defeat of authoritarianism in all its variants.

Social and historical context and issues Concept of prejudice and dominant theoretical approach Dominant social policy orientation to prejudice and discrimination
Up to the 1920s: White domination and colonial rule of "backward peoples" Prejudice as a natural response to the deficiencies of "backward" peoples: Race theories Domination, discrimination, and segregation are natural and justified social policies
The 1920s and 1930s:The legitimacy of white domination and pervasive prejudice challenged Prejudice as irrational and unjustified reaction to people who are different: Psychoanalytic and frustration theories Assimilation as a gradual process as minorities and colonial peoples become westernized and "uplifted"
The 1940s and 1950s: Nazi racial ideology and the Holocaust Prejudice rooted in anti-democratic ideology and pathological needs within authoritarian personalities Democratic and anti-authoritarian social structures and values will erode intolerance and prejudice
The 1960s: The problem of institutionalized racism in the American South Sociocultural explanations: Prejudice rooted in the social norms of discriminatory social structures Desegregation and anti-discriminatory laws will lead to intergroup contact, which will erode prejudice
The 1970s: The problem of informal racism and discrimination in the North Prejudice as an expression of dominant-group interests in maintaining intergroup inequality Reducing intergroup inequality through affirmative action and minority empowerment
The 1980s to the 2000s: The stubborn persistence of stereotyping, prejudice, and discrimination Prejudice as an expression of universal cognitive-motivational processes: social categorization and social identity Multicultural policies to provide minorities with esteem and foster positive nonthreatened identities and tolerance for all groups

Culture and society: The 1960s.

At the end of the 1950s a new paradigm shift occurred, as public attention increasingly focused on the campaign for civil rights in the American South. It did not seem feasible to explain racism in the American Southwhere ordinary "good citizens" holding democratic values were racist and supported discriminationin terms of disturbed or authoritarian personalities. The explanatory paradigm that emerged saw racial prejudice as rooted in social structures in which segregation and discrimination had been legally institutionalized and had become social norms that were taught to individuals during socialization and maintained by conformity pressures and lack of interracial contact.

The social policies necessary to reduce prejudice flowed logically from these assumptions. Segregation and discriminatory practices must be abolished. Schools and workplaces must be desegregated. The guiding principle was the "contact hypothesis": that racial segregation and unfamiliarity would perpetuate racial prejudice, while desegregation and intergroup contact under the right conditions would reduce it.

Group interests and racial inequality: The 1970s.

The optimistic assumption that racial integration would eliminate racism in American society rapidly faded in the late 1960s and the 1970s. As the institutionalized segregation and old-fashioned racism of the South disappeared, it was simply replaced by informal discrimination and segregation and the more subtle "modern" racism of the North. The paradigm that emerged saw racism and discrimination not just as a problem of the South but as being rooted in the power relations and inequality between white and black in American society as a whole.

The new paradigm of the 1970s therefore viewed racial prejudice as expressing the interests of the dominant white group in maintaining racial inequality and keeping blacks as a disadvantaged and powerless underclass. This was accompanied by a shift in the social policies most needed to reduce prejudice. To eliminate racism, the social, economic, and political inequalities between black and white would have to be changed, most notably through affirmative action and the political empowerment of blacks in American society.

Group identity and multiculturalism: The 1980s and beyond.

By the late 1970s the stubborn persistence of American racism and discrimination, albeit in subtle and modern rather than crude and traditional forms, had been powerfully documented. In addition research findings have shown that simply classifying individuals in completely arbitrary "minimal" groups results in them engaging in intergroup discrimination and in-group favoritism. During the 1980s it began to seem that more fundamental and perhaps universal cognitive and motivational human processes might underlie intergroup bias, discrimination, and even prejudice. The social-cognitive approach that emerged then and became the dominant approach to understanding intergroup relations and attitudes saw universal human cognitive processes functioning to simplify the social world through social categorization, that is, classifying people as group or category members and stereotyping them as members of their groups or categories. Categorization would also result in people identifying with their social groups and categories to form valued social identities, which they would then be motivated to try to differentiate positively from others generating intergroup competition and in-group favoritism.

The inevitability of group differentiation and its expression in distinct group identities challenged the explicit or implicit assimilationist assumptions underlying policies such as integration and even affirmative action. Multicultural policies emerged logically from this new paradigm. These policies rest on a view of cultural and social diversity as both inevitable and valuable in their own right and have the explicit objectives of accepting, recognizing, and supporting subcultural and minority identities and tolerance for them.


A number of different theoretical approaches to explaining prejudice dominated social scientific inquiry at different stages during the twentieth century with each having distinctive social policy implications. These different approaches seemed to emerge in response to specific historical circumstances that made particular questions about the nature or causation of prejudice salient for social scientists. The study of prejudice has therefore provided an interesting case study in how values and social milieu interact with and influence social scientific concepts and explanations.

See also Apartheid ; Discrimination ; Diversity ; Race and Racism ; Segregation ; Social History, U.S.


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John Duckitt

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