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Government Roles

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Secretary Chao: Role, Authority, and Impact in U.S. Transportation Policy

The Secretary of Transportation is the principal federal official responsible for national transportation policy and programs. As a member of the President’s Cabinet, the Secr...

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Who Is the Secretary of Defense? Role, Responsibilities, and Confirmation Process

The Secretary of Defense is the United States federal government’s chief executive responsible for defense and military affairs. Appointed by the President and confirmed by th...

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