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nuclear winter

(Encyclopedia)nuclear winter, theory holding that the smoke and dust produced by a large nuclear war would result in a prolonged period of cold on the earth. The earliest version of the theory, which was put forwar...

Point Four program

(Encyclopedia)Point Four program, U.S. foreign aid project aimed at providing technological skills, knowledge, and equipment to poor nations throughout the world. The program also encouraged the flow of private inv...

El Niño–Southern Oscillation

(Encyclopedia)El Niño–Southern Oscillation (ENSO) ĕl nēnˈyō [key], large-scale climatic fluctuation of the tropical Pacific Ocean and the overlying atmosphere. The El Niño [Span.,=the child] is the South Am...

anti–Vietnam War movement

(Encyclopedia)anti–Vietnam War movement, domestic and international reaction (1965–73) in opposition to U.S. policy during the Vietnam War. During the four years following passage of the Tonkin Gulf resolution ...

Sino-Japanese War, Second

(Encyclopedia)Sino-Japanese War, Second, 1937–45, conflict between Japanese and Chinese forces for control of the Chinese mainland. The war sapped the Nationalist government's strength while allowing the Communis...

Grand Banks

(Encyclopedia)Grand Banks, submarine plateau rising from the continental shelf, c.36,000 sq mi (93,200 sq km), off SE Newfoundland, N.L., Canada. It is c.300 mi (480 km) long and c.400 mi (640 km) wide; depths rang...

vulcanization

(Encyclopedia)vulcanization vŭlˌkənəzāˈshən [key], treatment of rubber to give it certain qualities, e.g., strength, elasticity, and resistance to solvents, and to render it impervious to moderate heat and c...

Pacific, War of the

(Encyclopedia)Pacific, War of the, 1879–84, war between Chile and the allied nations, Peru and Bolivia; also called the Chile–Peruvian War. The trouble began when President Hilarión Daza of Bolivia rescinded (...

Office of War Information

(Encyclopedia)Office of War Information (OWI), U.S. agency created (1942) during World War II to consolidate government information services. The OWI absorbed the functions of the Office of Facts and Figures, the O...

Timmins

(Encyclopedia)Timmins, town (1991 pop. 47,461), central Ont., Canada, on the Mattagami River. Timmins is the commercial center of the rich Porcupine gold-mining district, where gold was first discovered in 1909. Si...