As a counterpoint to separation of powers, the principle that the president, Congress, and the Supreme Court share power over the laws of the country. The U.S. system of government is sometimes called a shared-powers system.. whip.
The Department of Justice (DOJ) is a cabinet-level agency responsible for enforcing the laws of the United States federal government. DOJ ensures public safety against foreign and domestic threats, including terrorism, and preventing crime.
1 United States Marshals Service (USMS) - The office of U.S. Marshal was established by the Judiciary Act of 1789. 2  The U.S. Marshals Service was established as a agency in 1969, and it was elevated to full bureau status under the Justice Department in 1974.