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Army, United States Department of the

(Encyclopedia)Army, United States Department of the: see Defense, United States Department of. ...

Homeland Security, United States Department of

(Encyclopedia)Homeland Security, United States Department of (DHS), executive department of the federal government charged with protecting the security of the American homeland as its main responsibility. Its prima...

Interior, United States Department of the

(Encyclopedia)Interior, United States Department of the, federal executive department established in 1849, delegated custodian of U.S. natural resources, and whose head, the Secretary of the Interior, has cabinet r...

Treasury, United States Department of the

(Encyclopedia)Treasury, United States Department of the, federal executive department established in 1789. It is charged with advising the president on fiscal policy and acting as fiscal agent for the federal gover...

Navy, United States Department of the

(Encyclopedia)Navy, United States Department of the: see Defense, United States Department of. ...

Veterans Affairs, United States Department of

(Encyclopedia)Veterans Affairs, United States Department of, federal executive department established to operate programs to benefit veterans and their families. The department was established in 1989; its predeces...

transportation

(Encyclopedia)transportation, conveyance of goods and people over land, across water, and through the air. See also commerce. The first practical attempts at air transportation began with the invention of the h...

Air Force, United States Department of the

(Encyclopedia)Air Force, United States Department of the, military department within the U.S. Dept. of Defense (see Defense, United States Department of). The Air Force traces its roots to the founding of the Aeron...

Health and Human Services, United States Department of

(Encyclopedia)Health and Human Services, United States Department of, federal executive department charged with administering government health programs. Successor to the Department of Health, Education, and Welfar...

Health, Education, and Welfare, United States Department of

(Encyclopedia)Health, Education, and Welfare, United States Department of: see Education, United States Department of; Health and Human Services, United States Department of. ...