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neutrality

(Encyclopedia)neutrality, in international law, status of a nation that refrains from participation in a war between other states and maintains an impartial attitude toward the belligerents. Neutrality is not to be...

Niagara Falls, waterfall, United States and Canada

(Encyclopedia)Niagara Falls, in the Niagara River, W N.Y. and S Ont., Canada; one of the most famous spectacles in North America. The falls are on the international line between the cities of Niagara Falls, N.Y., a...

Commonwealth of Nations

(Encyclopedia)Commonwealth of Nations, voluntary association of Great Britain and its dependencies, certain former British dependencies that are now sovereign states and their dependencies, and the associated state...

concordat

(Encyclopedia)concordat kənkôrˈdăt [key], formal agreement, specifically between the pope, in his spiritual capacity, and the temporal authority of a state. Its juridical status is now generally accepted as bei...

Foreign Ministers, Council of

(Encyclopedia)Foreign Ministers, Council of, organization of the foreign ministers of the World War II Allies—the United States, Great Britain, France, and the USSR—that, in a long series of meetings, attempted...

Iran-contra affair

(Encyclopedia)Iran-contra affair, in U.S. history, secret arrangement in the 1980s to provide funds to the Nicaraguan contra rebels from profits gained by selling arms to Iran. The Iran-contra affair was the produc...

Penn, William, founder of Pennsylvania

(Encyclopedia)Penn, William, 1644–1718, English Quaker, founder of Pennsylvania, b. London, England; son of Sir William Penn. Penn became involved in the affairs of the American colonies when in 1675 he was ap...

science fiction

(Encyclopedia)science fiction, literary genre in which a background of science or pseudoscience is an integral part of the story. Although science fiction is a form of fantastic literature, many of the events recou...

transuranium elements

(Encyclopedia)transuranium elements, in chemistry, radioactive elements with atomic numbers greater than that of uranium (at. no. 92). All the transuranium elements of the actinide series were discovered as synthet...

muon

(Encyclopedia)muon myo͞oˈŏn [key], elementary particle heavier than an electron but lighter than other particles having nonzero rest mass. The name muon is derived from mu meson, the former name of the particle....