The United States should stop policing the world

The goals, strategies, and tools of United States foreign policy as set by the president, Congress, and executive agencies, including alliances, sanctions, war powers, diplomacy, and the political debates over America's role in the world.

Defence of a state against external and internal threats, spanning intelligence services, military operations, counterterrorism and the classification of information. Covers the tension between secrecy and oversight, and the agencies whose work is largely conducted beyond public view.

United States strategy and action abroad, spanning diplomacy, alliances, sanctions, foreign aid and military commitments. Formally the president's domain, though Congress holds the purse and the treaty power, which makes most of it a negotiation between the two branches of government.