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Pan-American Highway
(Encyclopedia)Pan-American Highway, system of roads, c.16,000 mi (25,750 km) long, linking the nations of the Western Hemisphere. It was suggested at the Fifth International Conference of American States (1923) and...Pan-American Union
(Encyclopedia)Pan-American Union, former name for the General Secretariat of the Organization of American States (OAS). It was founded (1889–90) at the first of the modern Inter-American Conferences (see Pan-Amer...North American Nebula
(Encyclopedia)North American Nebula, bright diffuse nebula in the northern constellation Cygnus about 1000 light-years away; cataloged as NGC 7000. It has a configuration resembling parts of Canada and the United S...Spanish-American literature
(Encyclopedia)Spanish-American literature, the writings of both the European explorers of Spanish America and its later inhabitants. See also Spanish literature; Portuguese literature; Brazilian literature. T...Spanish-American War
(Encyclopedia)Spanish-American War, 1898, brief conflict between Spain and the United States arising out of Spanish policies in Cuba. It was, to a large degree, brought about by the efforts of U.S. expansionists. ...Central American Federation
(Encyclopedia)Central American Federation or Central American Union, political confederation (1825–38) of the republics of Central America—Costa Rica, Guatemala, Honduras, Nicaragua, and Salvador. United under ...International Union for the Conservation of Nature and Natural Resources
(Encyclopedia)International Union for the Conservation of Nature and Natural Resources (IUCN), formerly World Conservation Union, international organization founded in 1948 to encourage the preservation of wildlife...Natchez, city, United States
(Encyclopedia)Natchez, city (1990 pop. 19,460), seat of Adams co., SW Miss., on bluffs above the Mississippi River; settled 1716, inc. 1803. It is the trade, shipping, and processing center for a soybean, corn, cot...American Association for the Advancement of Science
(Encyclopedia)American Association for the Advancement of Science (AAAS), private organization devoted to furthering the work of scientists and improving the effectiveness of science in the promotion of human welfa...Acosta, José de
(Encyclopedia)Acosta, José de hōsāˈ ᵺā äkōˈstä [key], c.1539–1600, Spanish Jesuit missionary to Peru. He wrote a well-known history of the Spanish colonial period, The Natural and Moral History of the ...Browse by Subject
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