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hydrogen bomb

(Encyclopedia)hydrogen bomb or H-bomb, weapon deriving a large portion of its energy from the nuclear fusion of hydrogen isotopes. In an atomic bomb, uranium or plutonium is split into lighter elements that togethe...

Ethiopia

(Encyclopedia)CE5 Ethiopia ēthēōˈpēə [key], officially Federal Democratic Republic of Ethiopia, republic (2021 ...

disarmament, nuclear

(Encyclopedia)disarmament, nuclear, the reduction and limitation of the various nuclear weapons in the military forces of the world's nations. The atomic bombs dropped (1945) on Japan by the United States in World ...

guerrilla warfare

(Encyclopedia)guerrilla warfare gərĭlˈə [key] [Span.,=little war], fighting by groups of irregular troops (guerrillas) within areas occupied by the enemy. When guerrillas obey the laws of conventional warfare t...

Iraq

(Encyclopedia)CE5 Iraq or Irak both: ēräkˈ, ĭrăkˈ [key], officially Republic of Iraq, republic (2005 est. pop. 26,075,000), 167,924 sq mi (434,924 sq km), SW Asia. Iraq is bordered on the south by Kuwait, ...

Red Cross

(Encyclopedia)Red Cross, international organization concerned with the alleviation of human suffering and the promotion of public health; the world-recognized symbols of mercy and absolute neutrality are the Red Cr...

foreign aid

(Encyclopedia)foreign aid, economic, military, technical, and financial assistance given on an international, and usually intergovernmental level. U.S. foreign aid programs have included at least three different ob...

anti-Semitism

(Encyclopedia)anti-Semitism ănˌtē-sĕmˈĭtĭzˌəm, ănˌtī– [key], form of prejudice against Jews, ranging from antipathy to violent hatred. Before the 19th cent., anti-Semitism was largely religious and wa...

Yemen

(Encyclopedia)CE5 Yemen yĕmˈən [key], officially Republic of Yemen, republic (2015 est. pop. 26,916,000), 207,300 sq mi (535,800 sq km), SW Asia, at the southern edge of the Arabian peninsula. The present nat...

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...