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communism

(Encyclopedia)communism, fundamentally, a system of social organization in which property (especially real property and the means of production) is held in common. Thus, the ejido system of the indigenous people of...

espionage

(Encyclopedia)espionage ĕsˈpēənäzhˌ [key], the act of obtaining information clandestinely. The term applies particularly to the act of collecting military, industrial, and political data about one nation for ...

Greeley, Horace

(Encyclopedia)Greeley, Horace, 1811–72, American newspaper editor, founder of the New York Tribune, b. Amherst, N.H. Greeley supported Ulysses S. Grant during the first years of his administration but came to r...

Mauritius

(Encyclopedia)CE5 Mauritius môrĭshˈēəs, –əs [key], officially Republic of Mauritius, republic (2015 est. pop. 1,259,000), 790 sq mi (2,046 sq km), in the SW Indian Ocean. It is part of the Mascarene Isla...

radio astronomy

(Encyclopedia)radio astronomy, study of celestial bodies by means of the electromagnetic radio frequency waves they emit and absorb naturally. Radio waves also come from outside the Milky Way. These extragalact...

Frederick II, Holy Roman emperor and German king

(Encyclopedia)Frederick II, 1194–1250, Holy Roman emperor (1220–50) and German king (1212–20), king of Sicily (1197–1250), and king of Jerusalem (1229–50), son of Holy Roman Emperor Henry VI and of Consta...

Holy Roman Empire

(Encyclopedia)CE5 Holy Roman Empire (c.1100) CE5 Holy Roman Empire, designation for the political entity that originated at the coronation as emperor (962) of the German king Otto I and endured until the renu...

embryo

(Encyclopedia)CE5 Development of the human embryo embryo ĕmˈbrēō [key], name for the developing young of an animal or plant. In its widest definition, the embryo is the young from the moment of fertilizatio...

manorial system

(Encyclopedia)manorial system sēnyôrˈēəl [key], economic and social system of medieval Europe under which peasants' land tenure and production were regulated, and local justice and taxation were administered. ...

Lenin, Vladimir Ilyich

(Encyclopedia)Lenin, Vladimir Ilyich lĕnˈĭn, Rus. vlədyēˈmĭr ĭlyēchˈ lyĕˈnĭn [key], 1870–1924, Russian revolutionary, the founder of Bolshevism and the major force behind the Revolution of Oct., 1917...