Columbia Encyclopedia

(Encyclopedia) Detroit dĭtroitˈ [key], city (2020 pop. 639,111), seat of Wayne co., SE Mich., on the Detro...

(Encyclopedia)  CE5 Northwest Territory Northwest Territory, first possession of the United States, comprising the region known as the Old Northwest, S and W of the Great Lakes, NW of the Ohio River, and E of the...

(Encyclopedia) horror or horror story, literary genre in which an eerie, tense, often suspenseful atmosphere typically builds to the discovery of something repugnant, such as cannibalism, incest, or the killing of c...

(Encyclopedia) Federalist party, in U.S. history, the political faction that favored a strong federal government. Opposition to war brought the Federalists the support of Clinton and many others, and the party mad...

(Encyclopedia) Rockefeller, John Davison, 1839–1937, American industrialist and philanthropist, b. Richford, N.Y. He moved (1853) with his family to a farm near Cleveland and at age 16 went to work as a bookkeeper...

(Encyclopedia) artificial intelligence (AI), the use of computers to model the behavioral aspects of human reasoning and learning. Research in AI is concentrated in some half-dozen areas. In problem solving, one mus...

(Encyclopedia)  CE5 New York, Middle Atlantic state of the United States. It is bordered by Vermont, Massachusetts, Connecticut, and the Atlantic Ocean (E), New Jersey and Pennsylvania (S), Lakes Erie and Ontario ...

(Encyclopedia) Paris, Treaty of, any of several important treaties, signed at or near Paris, France. For the Treaty of Paris of 1856, see Paris, Congress of. For the Treaty of Paris of 1898, see Spanish-Americ...

(Encyclopedia)  CE5 Peru pāro͞oˈ [key], officially Republic of Peru, republic (2015 est. pop. 31,377,000), 496,220 sq mi (1,285,210 sq km), W South America. It borders on the Pacific Ocean in the west, on Ecuad...

(Encyclopedia) mystery or mystery story, literary genre in which the cause (or causes) of a mysterious happening, often a crime, is gradually revealed by the hero or heroine; this is accomplished through a mixture o...