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.
Confidence votes 58.0K. The Supreme Court of the United States, as an institution, is head of the Judicial branch of government. The Chief Justice of the United States (colloquially known as Chief Justice of the Supreme Court) leads during his tenure.