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irrigation

(Encyclopedia) irrigation, in agriculture, artificial watering of the land. Although used chiefly in regions with annual rainfall of less than 20 in. (51 cm), it is also used in wetter areas to grow…

1999 World History

Thabo Mbeki (1942–) Eileen Collins (1956– ) NASA   1999 U.S. agrees to ease restrictions on Cuba (Jan. 4). Dennis Hastert elected to replace Newt Gingrich as Speaker of the…

Members of Congress: Illinois, Congress,

Biographies of U.S. representatives and senators from Illinois Member Name Birth-Death ADAIR, Jackson Leroy 1887-1956 ADAMS, George Everett 1840-1917 ADKINS, Charles 1863-1941…

DK Science & Technology: Machines

WHAT IS MECHANICAL ADVANTAGE? HOW IS A MACHINE’S EFFICIENCY MEASURED? LEVERSPULLEYSINCLINED PLANESGEARSFIND OUT MOREFrom can openers to cranes, machines make work easier. Simple machines include…

Members of Congress: Vermont, Congress,

Biographies of U.S. representatives and senators from Vermont Member Name Birth-Death AIKEN, George David 1892-1984 ALLEN, Heman (of Colchester) 1779-1852 ALLEN, Heman (of Milton…

Members of Congress: Delaware, Congress,

Biographies of U.S. representatives and senators from Delaware Member Name Birth-Death ADAMS, Wilbur Louis 1884-1937 ALLEE, James Frank 1857-1938 ALLEN, William Franklin 1883-1946…

Carolina campaign

(Encyclopedia) Carolina campaign, 1780–81, of the American Revolution. After Sir Henry Clinton had captured Charleston, he returned to New York, leaving a British force under Cornwallis to…

oratory

(Encyclopedia) oratory, the art of swaying an audience by eloquent speech. In ancient Greece and Rome oratory was included under the term rhetoric, which meant the art of composing as well as…

Home Rule

(Encyclopedia) Home Rule, in Irish and English history, political slogan adopted by Irish nationalists in the 19th cent. to describe their objective of self-government for Ireland. Escalating…