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worm

(Encyclopedia)worm, common name for various unrelated invertebrate animals with soft, often long and slender bodies. Members of the phylum Platyhelminthes, or the flatworms, are the most primitive; they are general...

secession, in political science

(Encyclopedia)secession, in political science, formal withdrawal from an association by a group discontented with the actions or decisions of that association. The term is generally used to refer to withdrawal from...

coffee

(Encyclopedia)coffee, a tree, its seeds, and the beverage made from them. The coffee tree, a small evergreen of the genus Coffea, has smooth, ovate leaves and clusters of fragrant white flowers that mature into dee...

peace congresses

(Encyclopedia)peace congresses, multinational meetings to achieve or preserve peace and to prevent wars. Although philosophical and religious pacifism is almost as old as war itself, organized efforts to outlaw war...

Namibia

(Encyclopedia)CE5 Namibia nämĭbˈēə [key], officially Republic of Namibia, republic (2015 est. pop. 2,426,000), c.318,000 sq mi (823,620 sq km), SW Africa. It is bordered by Angola in the north, by Zambia in...

chemical warfare

(Encyclopedia)chemical warfare, employment in war of incendiaries, poison gases, and other chemical substances. Ancient armies attacking or defending fortified cities threw burning oil and fireballs. A primitive ty...

Muhammad, prophet of Islam

(Encyclopedia)Muhammad məhămˈəd [key] [Arab.,=praised], 570?–632, the name of the Prophet of Islam, one of the great figures of history, b. Mecca. The traditions concerning Muhammad's life, deeds, and sa...

agrarian reform

(Encyclopedia)agrarian reform, redistribution of the agricultural resources of a country. Traditionally, agrarian, or land, reform is confined to the redistribution of land; in a broader sense it includes related c...

migration

(Encyclopedia)migration, of people, geographical movements of individuals or groups for the purpose of permanently resettling. Normal internal migration has been characterized by a population shift from rural t...

League of Nations

(Encyclopedia)League of Nations, former international organization, established by the peace treaties that ended World War I. Like its successor, the United Nations, its purpose was the promotion of international p...