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Gadsden Purchase

(Encyclopedia)Gadsden Purchase gădzˈdən [key], strip of land purchased (1853) by the United States from Mexico. The Treaty of Guadalupe Hidalgo (1848) had described the U.S.-Mexico boundary vaguely, and Presiden...

floodplain

(Encyclopedia)floodplain, level land along the course of a river formed by the deposition of sediment during periodic floods. Floodplains contain such features as levees, backswamps, delta plains, and oxbow lakes. ...

referendum

(Encyclopedia)referendum, referral of proposed laws or constitutional amendments to the electorate for final approval. This direct form of legislation, along with the initiative, was known in Greece and other early...

Coolidge, Calvin

(Encyclopedia)Coolidge, Calvin, 1872–1933, 30th President of the United States (1923–29), b. Plymouth, Vt. John Calvin Coolidge was a graduate of Amherst College and was admitted to the bar in 1897. He practice...

Klallam

(Encyclopedia)Klallam klălˈəm [key], Native North Americans whose language belongs to the Salishan branch of the Algonquian-Wakashan linguistic stock (see Native American languages). They formerly occupied the s...

Keeling, Charles David

(Encyclopedia)Keeling, Charles David, 1928–2005, U.S. geochemist, b. Scranton, Pa., Ph.D. Northwestern Univ., 1954. As a postdoctoral fellow at the California Institute of Technology (1953–56), he developed a s...

Sander, August

(Encyclopedia)Sander, August ouˈgo͝ost zänˈdər [key], 1876–1964, Austrian photographer. During his long life Sander made a remarkable composite portrait of the German people. He began his immense work in the...

narodniki

(Encyclopedia)narodniki närôdˈnĭkē [key], Russian populists, adherents of an agrarian socialist movement active from the 1860s to the end of the 19th cent. Influenced by the writings of Aleksandr Herzen, the n...

Watauga Association

(Encyclopedia)Watauga Association, government (1772–75) formed by settlers along the Watauga River in present E Tennessee. Virginians made the first settlements in 1769, and after the collapse of the Regulator mo...

Constitutional Convention

(Encyclopedia)Constitutional Convention, in U.S. history, the 1787 meeting in which the Constitution of the United States was drawn up. The convention at Philadelphia drew up one of the most influential document...
 

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