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vector
(Encyclopedia)vector, quantity having both magnitude and direction; it may be represented by a directed line segment. Many physical quantities are vectors, e.g., force, velocity, and momentum. Thus, in specifying a...Communist party, in the United States
(Encyclopedia)Communist party, in the United States, political party that espoused the Marxist-Leninist principles of communism. In 1945, Browder's policy was attacked as being one of the “right deviationism,â€...Truman, Harry S.
(Encyclopedia)Truman, Harry S., 1884–1972, 33d President of the United States, b. Lamar, Mo. Truman remained active in politics for many years after his retirement, campaigning around the country for Democrat...American Federation of Labor and Congress of Industrial Organizations
(Encyclopedia)American Federation of Labor and Congress of Industrial Organizations (AFL-CIO), a federation of autonomous labor unions in the United States, Canada, Mexico, Panama, and U.S. dependencies, formed in ...psychology
(Encyclopedia)psychology, science or study of the thought processes and behavior of humans and other animals in their interaction with the environment. Psychologists study processes of sense perception, thinking, l...Tunisia
(Encyclopedia)CE5 Tunisia to͞onēˈzhə, tyo͞o– [key], Fr. Tunisie, officially Republic of Tunisia, republic (2015 est. pop. 11,274,000), 63,378 sq mi (164,150 sq km), NW Africa. Occupying the eastern portio...American art
(Encyclopedia)American art, the art of the North American colonies and of the United States. There are separate articles on American architecture, North American Native art, pre-Columbian art and architecture, Mexi...United States
(Encyclopedia)CE5 CE5 CE5 United States, officially United States of America, republic (2015 est. pop. 319,929,000), 3,539,227 sq mi (9,166,598 sq km), North America. The United States is the world's third l...Browse by Subject
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