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environmentalism

(Encyclopedia)environmentalism, movement to protect the quality and continuity of life through conservation of natural resources, prevention of pollution, and control of land use. The philosophical foundations for ...

Sinn Féin

(Encyclopedia)Sinn Féin shĭn fān [key] [Irish,=we, ourselves], Irish nationalist movement. It had its roots in the Irish cultural revival at the end of the 19th cent. and the growing nationalist disenchantment w...

Clinton, Bill

(Encyclopedia)Clinton, Bill (William Jefferson Clinton), 1946–, 42d President of the United States (1993–2001), b. Hope, Ark. His father died before he was born, and he was originally named William Jefferson Bl...

War of 1812

(Encyclopedia)War of 1812, armed conflict between the United States and Great Britain, 1812–15. It followed a period of great stress between the two nations as a result of the treatment of neutral countries by bo...

Reconstruction

(Encyclopedia)Reconstruction, 1865–77, in U.S. history, the period of readjustment following the Civil War. At the end of the Civil War, the defeated South was a ruined land. The physical destruction wrought by t...

Monroe Doctrine

(Encyclopedia)Monroe Doctrine, principle of American foreign policy enunciated in President James Monroe's message to Congress, Dec. 2, 1823. It initially called for an end to European intervention in the Americas,...

liberty, in political science

(Encyclopedia)liberty, term used to describe various types of individual freedom, such as religious liberty, political liberty, freedom of speech, right of self-defense, and others. It is also used as a general ter...

Lewinsky scandal

(Encyclopedia)Lewinsky scandal ləwĭnˈskē [key], sensation that enveloped the presidency of Bill Clinton in 1998–99, leading to his impeachment by the U.S. House of Representatives and acquittal by the Senate....

Philadelphia, city, United States

(Encyclopedia)Philadelphia, city (2020 pop. 1,603,797), coextensive with Philadelphia co., SE Pa., on the Delaware River c.100 mi (160 km) upstream at the influx of t...

Reagan, Ronald Wilson

(Encyclopedia)Reagan, Ronald Wilson rāˈgən [key], 1911–2004, 40th president of the United States (1981–89), b. Tampico, Ill. In 1932, after graduation from Eureka College, he became a radio announcer and spo...