Julio Argentino Roca
Julio Argentino Roca
Julio Argentino Roca (1843-1914) was an Argentine general and the leader of the oligarchy that held political control of Argentina from 1880 to 1916. He was a typical 19th-century caudillo.
Julio Roca was born of a prominent and wealthy Argentine family in Tucumán on July 17, 1843. He received a degree from the National College in Uruguay. When he was approximately fifteen, he volunteered to fight for the interior provinces in the struggle against the forces of Buenos Aires and was commissioned a sublieutenant; thereafter he remained on the military rolls for a period of 55 years of continuous service.
After graduation Roca took part in further fighting between the city and the provinces, this time on the side of the city. In the subsequent war against Paraguay he fought in several battles, and he achieved the rank of colonel in helping to put down the revolt of López Jordán in Entre Ríos. Roca finally reached the rank of general when he defeated and captured Gen. Aredondo, who had revolted in 1874.
Upon the death of the secretary of war, Adolfo Alsino, Roca undertook a successful campaign against the Indians in the south and added extensive land to the national domain, most of which fell into his and his friends' hands. Also, the Indian captives were to all intents and purposes forced into slavery under the application of old colonial
laws. The results of the successful campaign made Roca popular in powerful circles, and he was elected president in 1880.
Rule by Oligarchy
Roca's administration ushered in a period of Argentine history known as the "era of the oligarchy," which lasted until 1916. Its core was made up of the great landowners, and it exerted its power through what has been called the most powerful farmers' organization in the Western Hemisphere, plus certain commercial elements with close ties with the British. On the credit side of the ledger, his government was powerful enough to end the many years of political chaos which had preceded his assumption of office.
Roca's platform proposed improvement in communications and a stronger army. Since the newly acquired Indian lands were useless without railroads, he spent vast sums during his administration to connect the area with the city of Buenos Aires. By diverting funds to the army he was able to count on its political support.
At the close of his administration, Roca left for Paris but soon returned to assist in the overthrow of his successor, Miguel Juárez Celmán. Roca was rewarded with the office of secretary of the interior, which enabled him to augment his personal fortune. He was once again elected president (1898-1904), having in the interim been president of the Senate. Roca's second administration is notable for the resumption of diplomatic relations with the Vatican, the settlement of the boundary dispute with Chile, and the pronouncement of the Drago Doctrine, an Argentine protest against intervention.
Roca retired from public life in 1904 until his appointment in 1913 as ambassador to Brazil. He was always a skillful politician and managed to cooperate better than most with leaders of both parties and was successful in smoothing over political quarrels. He was helped during both administrations by the universal prosperity resulting from the technological improvements of the time, and there is a great similarity between his administrations and those of President Ulysses S. Grant in the United States. Roca died in Buenos Aires on October 19, 1914.
Further Reading
There are no full-length biographies of Roca in English. Biographical material on Roca can be found in Ricardo Levene, A History of Argentina (trans. 1937); John W. White, Argentina: The Life Story of a Nation (1942); and Henry Stanley Ferns, Argentina (1969). See also Hubert Clinton Herring, A History of Latin America: From the Beginnings to the Present (1955; 3d rev. ed. 1968). □
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Cloning and molecular characterization of the cDNA for the Brazilian larval click-beetle Pyrearinus termitilluminans luciferase
Magazine article from: Photochemistry and Photobiology; 8/1/1999; ; 700+ words
; ABSTRACT The larval click-beetle Pyrearinus termitilluminans...degree of homology among click-beetle luciferases that elicit closer...decreasing the pH. INTRODUCTION Beetle bioluminescence (BL)t arises...main families of luminescent beetles (Lampyridae, Phengodidae...
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Survival of male click beetles, Agriotes obscurus L., (Coleoptera: Elateridae) during and after storage at different temperatures
Magazine article from: Journal of the Entomological Society of British Columbia; 12/1/2008; ; 700+ words
; ...Table 1). Surprisingly, beetles stored for 2 wks at 5, 8...temperatures prolongs male click beetle survival, and that storage...storage conditions affects beetle physiology. We thank Drs...1947. On the ecology of beetles of the genus Agrietes with...
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Beetlejuice genes now in biotechnicolor. (click beetle)
Magazine article from: Science News; 5/20/1989; ; 700+ words
; ...working with Caribbean click beetles have isolated the genes...with the Jamaican click beetle, Pyrophorus plagiophthalamus...fireflies (which are beetles, not flies), click...All bioluminescent beetles, including fireflies...genes for four click-beetle ...
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The influence of Ala243 (Gly247), Arg215 and Thr226 (Asn230) on the bioluminsecence spectra and pH-sensitivity of railroad worm, click beetle and firefly luciferases
Magazine article from: Photochemistry and Photobiology; 11/1/2002; ; 700+ words
; ...Sensitivity of Railroad Worm, Click Beetle and Firefly Luciferase(para...insensitive luciferases, which include click beetle and railroad worm luciferases...four isoenzymes of the Jamaican click beetle Pyrophorus plagioph thalamus...
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Nature's hardbodies.(beetle varieties)
Magazine article from: New York State Conservationist; 6/1/1998; ; 700+ words
; ...searching for cucujid bark beetles and their larvae, or young...adult of one such bark beetle is a stylish salmon-red. Woodpeckers also target click beetles of the Family Elateridae...The adult eyed click beetle is something of a small...
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Behold the beetle - everywhere, in thousands of fascinating forms.(Neighbor)(The nature of things)
Newspaper article from: Daily Herald (Arlington Heights, IL); 7/18/2003; 700+ words
; ...rule! Perhaps the best-loved beetles in our neck of the woods are...and brightest bioluminescent beetles are in the click beetle family, ranging from the southwestern...their hair with these shining beetles. Others in South America attach...
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Beauty or beast? Not every beetle wreaks havoc.(Neighbor)
Newspaper article from: Daily Herald (Arlington Heights, IL); 8/6/2008; 700+ words
; ...native fireflies belong to the beetle family Lampyridae, which is...and brightest bioluminescent beetles are in the click beetle family, ranging from the southwestern...their hair with these shining beetles. Others in South America attach...
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Look, a ladybug! A ladybug is a kind of insect called a beetle. What do you know about ladybugs?(Science)
Magazine article from: Weekly Reader, Edition 1 (including Science Spin); 5/1/2007; 700+ words
; ...are big. Look at more beetles. A long-horned beetle has long antennae. They...longer than its body. A click beetle can flip over on its back...clicking sound. A rhinoceros beetle is one of the strongest beetles in the world. [ILLUSTRATIONS...
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The Influence of the Loop between Residues 223-235 in Beetle Luciferase Bioluminescence Spectra: A Solvent Gate for the Active Site of pH-Sensitive Luciferases
Magazine article from: Photochemistry and Photobiology; 1/1/2008; ; 700+ words
; ABSTRACT Beetle luciferases emit a wide range...temperature changes, whereas click beetle and railroadworm luciferases...ranging from green to red (1). Click beetle and railroadworm luciferases...cloned the pH-insensitive click beetle and railroadworm luciferases...
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Clumsy beetles, dribbling dragons and the biggest bed A choice of children's books for Christmas
Newspaper article from: Evening Standard - London; 12/20/1999; 700+ words
; The Very Clumsy Click Beetle by Eric Carle (Hamish Hamilton, 12.99) Bizarre tale of the adventures of a young click beetle (which snaps itself back on its feet when rolled on its back...
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click beetle
Book article from: The Columbia Encyclopedia, Sixth Edition
click beetle common name for members...the groove. This sends the beetle spinning through the air and produces a loud click. If the beetle lands on its back again it repeats the performance. A click beetle also snaps its body when it...predator to drop it. Click ...
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click-beetle
Book article from: A Dictionary of Zoology
click-beetle See ELATERIDAE .
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Bioluminescence
Book article from: Chemistry: Foundations and Applications
...worms (e.g., fireworms), beetles (e.g., fireflies, click beetles, railroad worms...Fireflies Luciferases from click beetles, fireflies, and railway...part of a courtship process; click beetles emit green to orange...
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Elateridae
Book article from: A Dictionary of Zoology
Elateridae ( click-beetles , skip-jacks , snapping beetles ; subclass Pterygota , order...elongate, usually black or brown beetles, 3–54 mm long...comb-like antennae. If the beetle falls on its dorsal surface...
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wire
Book article from: The Concise Oxford Dictionary of English Etymology
...prob. f. base * wi- of L. viēre plait, weave (cf. WITHE ). Hence wireless XIX. wire-puller one who exerts underhand influence. XIX (orig. U.S.). wireworm larva of click-beetles. XVIII. wiry ( -Y1 ) XVI.
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