The United States federal executive departments are the primary units of the executive branch of the federal government of the United States, and are analogous to ministries common in parliamentary or semi-presidential systems but, with the United States being a presidential system, led by a head of government separate from the head of state. read more
The Executive Branch conducts diplomacy with other nations, and the President has the power to negotiate and sign treaties, which also must be ratified by two-thirds of the Senate. The President can issue executive orders, which direct executive officers or clarify and further existing laws. read more