United States Government The United States Government is the
federal government of the United States of America. Under the
United States Constitution, government in the United States is
organized according to a system of dual sovereignty. That is,
the Constitution enumerates certain powers to the federal
government, while the states retain the rest. That principle is
inherent in Article I and explicitly stated in the Tenth
Amendment. The Constitution also provides for separation of
powers. The legislative power is vested in Congress; the
executive power, in the President of the United States of
America and in various inferior executive bodies; and the
judicial power, in the United States Supreme Court and in
various inferior federal courts.