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labor, in economics

(Encyclopedia)labor, term used both for the effort of performing a task and for the workers engaged in the activity. In ancient times much of the work was done by slaves (see slavery). In the feudal period agricult...

copperhead

(Encyclopedia)copperhead, poisonous snake, Ancistrodon contortrix, of the E United States. Like its close relative, the water moccasin, the copperhead is a member of the pit viper family and detects its warm-bloode...

ghost town

(Encyclopedia)ghost town, term for any once flourishing American community that has been abandoned, generally for economic reasons. While most of the towns have little or no population, they often contain old build...

Jones, Mary Harris

(Encyclopedia)Jones, Mary Harris, 1830–1930, American labor agitator, called Mother Jones, b. Ireland. Interested in the labor movement for many years, she became active in it after the death of her husband and f...

Nimeiri, Muhammed Jaafar al-

(Encyclopedia)Nimeiri or Nimeiry, Muhammed Jaafar al- mo͞ohämˈmäd jäfärˈ äl-nĭmārˈē [key], 1930–, Sudanese army officer and politician. Early active in the Sudanese nationalist movement, he was tempor...

Abzug, Bella Savitsky

(Encyclopedia)Abzug, Bella Savitsky səvĭtˈskē ăbˈzo͝og [key], 1920–98, U.S. politician, b. New York City. A lawyer and a Democrat, she helped found Women Strike for Peace (1961) and the reformist New Democ...

nuclear strategy

(Encyclopedia)nuclear strategy, a policy for the use of nuclear weapons. The first atomic bombs were used in the context of the Allies' World War II policy of strategic bombing. Early in the cold war, U.S. policy w...

fault

(Encyclopedia)CE5 Types of faults fault, in geology, fracture in the earth's crust in which the rock on one side of the fracture has measurable movement in relation to the rock on the other side. Faults on othe...

Hart, Oliver Simon D'Arcy

(Encyclopedia)Hart, Oliver Simon D'Arcy, 1948–, British-American economist, b. London, England, Ph.D. Princeton, 1974. He has been a professor at the London School of Economics (1981–85), the Massachusetts Inst...

Molly Maguires

(Encyclopedia)Molly Maguires məgwīˈərz [key], secret organization of Irish-Americans in the coal-mining districts of Pennsylvania. Its name came from a woman who led an extralegal, antilandlord organization in ...