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  1. A-Z index of U.S. government departments and agencies

  2. Internal Revenue Service | An official website of the …

    网页The IRS is the federal agency that collects taxes and administers tax laws in the United States. Find out how to file your taxes, get your refund, pay your taxes, and more on the IRS website.

  3. The White House

    网页Learn more about the current administration, our country’s former presidents, and the official residence. President Biden and Vice President Harris promised to move quickly to deliver results ...

  4. Search.gov - USAGov

  5. U.S. Department of State – Home

    网页2 天之前 · The official website of the U.S. Department of State, which leads America's foreign policy and advances its interests and security. Find information on travel, countries, policy issues, and more.

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  7. Selected U.S. Government Information Web Sites - United States ...

  8. Our Government - The White House

    网页Learn about the three branches of the Federal Government and how they are structured and function. Find out how to access information on Federal agencies, elections, and state and local governments.

  9. Homepage | house.gov

    网页History of the U.S. House. Discover how Congress makes laws, schedule a school tour, & more.

  10. Home | Homeland Security