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Antietam National Cemetery

(Encyclopedia)Antietam National Cemetery: see National Parks and Monuments (table)national parks and monuments (table). ...

gross national product

(Encyclopedia)gross national product (GNP), in economics, a quantitative measure of a nation's total economic activity, generally assessed yearly or quarterly. In estimating the GNP, only the final value of a produ...

Monocacy National Battlefield

(Encyclopedia)Monocacy National Battlefield: see National Parks and Monuments (table)national parks and monuments (table). ...

National Petroleum Reserve

(Encyclopedia)National Petroleum Reserve, area, c.23 million acres (9.32 million hectares), Alaska North Slope, situated W of Prudhoe Bay and the Arctic National Wildlife Refuge. The reserve, which is the largest r...

National Recovery Administration

(Encyclopedia)National Recovery Administration (NRA), in U.S. history, administrative bureau established under the National Industrial Recovery Act of 1933. In response to President Franklin Delano Roosevelt's cong...

National Republican party

(Encyclopedia)National Republican party, in U.S. history, a short-lived political party opposed to Andrew Jackson. In the election of 1828, which Jackson won overwhelmingly, some of the supporters of his opponent, ...

National Science Foundation

(Encyclopedia)National Science Foundation (NSF), an independent agency in the executive branch of the U.S. federal government concerned with promoting a national science policy by supporting basic research and educ...

National Security Agency

(Encyclopedia)National Security Agency (NSA), an independent agency within the U.S. Dept. of Defense. Founded by presidential order in 1952, its primary functions are to collect and analyze communications intellige...

National Security Council

(Encyclopedia)National Security Council (NSC), federal executive council responsible for planning, coordinating, and evaluating the defense policies of the United States and also exercising direction over the Centr...

National Symphony Orchestra

(Encyclopedia)National Symphony Orchestra (NSO), Washington, D.C., founded in 1931 by Hans Kindler, who conducted the orchestra until 1949. Its first home was Constitution Hall; since 1986 it has been affiliated wi...