(Encyclopedia) guided missile, self-propelled, unmanned space or air vehicle carrying an explosive warhead. Its path can be adjusted during flight, either by automatic self-contained controls or…
(Encyclopedia) Progressive Conservative party, former Canadian political party, formed in 1942 by the merger of the Progressive and Conservative parties. Beginning with the first Canadian prime…
(Encyclopedia) river, stream of water larger than a brook or creek. Land surfaces are never perfectly flat, and as a result the runoff after precipitation tends to flow downward by the shortest and…
(Encyclopedia)
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Yukon, territory (2001 pop. 28,674), 207,076 sq mi (536,327 sq km), NW Canada.
The territory's history began with the explorations in the 1840s of Robert Campbell and John…
(Encyclopedia) Lewis and Clark expedition, 1803–6, U.S. expedition that explored the territory of the Louisiana Purchase and the country beyond as far as the Pacific Ocean.
The men were gathered…
(Encyclopedia) EskimoEskimoĕsˈkəmō [key], a general term used to refer to a number of groups inhabiting the coastline from the Bering Sea to Greenland and the Chukchi Peninsula in NE Siberia. A…
(Encyclopedia) Northwest Passage, water routes through the Arctic Archipelago, N Canada, and along the northern coast of Alaska between the Pacific and Atlantic oceans. Even though the explorers of…
(Encyclopedia) Rocky Mountains, major mountain system of W North America and easternmost belt of the North American cordillera, extending more than 3,000 mi (4,800 km) from central N.Mex. to NW…
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(Encyclopedia) Arctic Ocean, the smallest ocean, c.5,400,000 sq mi (13,986,000 sq km), located entirely within the Arctic Circle and occupying the region around the North Pole.
The Arctic basin was…
