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opium
(Encyclopedia)opium, substance derived by collecting and drying the milky juice in the unripe seed pods of the opium poppy, Papaver somniferum. Opium varies in color from yellow to dark brown and has a characterist...Freud, Sigmund
(Encyclopedia)Freud, Sigmund froid [key], 1856–1939, Austrian psychiatrist, founder of psychoanalysis. Born in Moravia, he lived most of his life in Vienna, receiving his medical degree from the Univ. of Vienna i...Marx, Karl
(Encyclopedia)Marx, Karl, 1818–83, German social philosopher, the chief theorist of modern socialism and communism. In 1847 Marx joined the Communist League and with Engels wrote for it the famous Communist M...9/11
(Encyclopedia)9/11, the terrorist attacks on Sept. 11, 2001, in the United States, and the associated events and impact of those attacks. The attacks, which were carried out by agents of Al Qaeda (a militant Islami...Trotsky, Leon
(Encyclopedia)Trotsky, Leon trŏtˈskē, Rus. lāˈən trôtˈskē [key], 1879–1940, Russian Communist revolutionary, one of the principal leaders in the establishment of the USSR; his original name was Lev David...Roman religion
(Encyclopedia)Roman religion, the religious beliefs and practices of the people of ancient Rome. The spirits were held in awe and were placated with offerings and prayers. In the earliest period of Roman state r...Vanuatu
(Encyclopedia)Vanuatu vänˌwäto͞oˈ [key], officially Republic of Vanuatu, independent republic (2015 est. pop. 265,000), c.5,700 sq mi (14,760 sq km), South Pacific, E of Australia. Vanuatu is a 450-mi (724-km)...religion
(Encyclopedia)religion, a system of thought, feeling, and action that is shared by a group and that gives the members an object of devotion; a code of behavior by which individuals may judge the personal and social...Enlightenment
(Encyclopedia)Enlightenment, term applied to the mainstream of thought of 18th-century Europe and America. Centered in Paris, the movement gained international character at cosmopolitan salons. Masonic lodges pla...Islam
(Encyclopedia)Islam ĭslämˈ, ĭsˈläm [key], [Arab.,=submission to God], world religion founded by the Prophet Muhammad. Founded in the 7th cent., Islam is the youngest of the three monotheistic world religions ...Browse by Subject
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