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(Encyclopedia) Homeland Security, United States Department of (DHS), executive department of the federal government charged with protecting the security of the American homeland as its main…
(Encyclopedia) Williams, Tennessee (Thomas Lanier Williams), 1911–83, American dramatist, b. Columbus, Miss., grad. State Univ. of Iowa, 1938. One of America's foremost 20th-century playwrights and…
IntroductionSupply, Demand, and the Invisible HandIntroductionDemand: Wants, Needs, and Red MeatDemand Change!Back to the CurveSupply: You Want It, We Got ItChange Supply!Equilibrium: Mr. Demand,…
Atlas A book of maps with or without text. The word atlas was first used as the title of a book by Gerardus Mercator in 1585. Examples: Atlas of the World, Rand McNally Atlas of the Earth's…
United States > United States Government > Elections Below lists the members of the Senate in the United States' 113th Congress following the November 2012 elections. Dates…
United States > United States Government > Elections Below lists the members of the Senate in the United States' 112th Congress following the November 2010 midterm…
Alexandrian philosopher and mathematicianBorn: 5th centuryBirthplace: Egypt Hypatia was the first well-known female mathematician. The daughter of the mathematician Theon, she was educated by her…