Columbia Encyclopedia

(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 Alaska; Mt. Elbert (1...

(Encyclopedia) Civil War, in U.S. history, conflict (1861–65) between the Northern states (the Union) and the Southern states that seceded from the Union and formed the Confederacy. It is generally known in the So...

(Encyclopedia) library, a collection of books or other written or printed materials, as well as the facility in which they are housed and the institution that is responsible for their maintenance. Modern libraries m...

(Encyclopedia) Republican party, American political party. In 1980, the conservative Ronald Reagan, a former supporter of Barry Goldwater, regained the presidency for the Republicans and reversed long-standi...

(Encyclopedia)  CE5 Nebraska nəbrăsˈkə [key], Great Plains state of the central United States. It is bordered by Iowa and Missouri, across the Missouri River (E), Kansas (S), Colorado (SW), Wyoming (NW), and S...

(Encyclopedia)  CE5 Delaware dĕlˈəwâr, –wər [key], one of the Middle Atlantic states of the United States, the country's second smallest state (after Rhode Island). It is bordered by Maryland (W, S), and th...

(Encyclopedia)  CE5 Hawaii həwīˈē, häväˈē [key], 50th state of the United States, comprising a group of eight major islands and numerous islets in the central Pacific Ocean, c.2,100 mi (3,380 km) SW of San...

(Encyclopedia) Roosevelt, Theodore, 1858–1919, 26th President of the United States (1901–9), b. New York City. Alice, his daughter by his first wife, married Nicholas Longworth in the White House; “Princ...

(Encyclopedia)  CE5 Electrical and radio symbols electricity, class of phenomena arising from the existence of charge. The basic unit of charge is that on the proton or electron—the proton's charge is designate...

(Encyclopedia)  CE5 Ohio, midwestern state in the Great Lakes region of the United States. It is bordered by Pennsylvania (NE), West Virginia (SE) and Kentucky (S) across the Ohio River, Indiana (W), and Michigan ...