The role the United States plays on the world stage has helped define us as a nation for more than 200 years. It has also often divided us.
Every president starting with George Washington had to deal with various American factions whose loyalties and financial interests lay in different parts of the world.
President Donald Trump has sometimes advanced policies that limit the United States cooperation in international pacts and involvement in multi-nation programs. While his rhetoric is less about isolationism than about America First ideology, the presidents overall record exposes a lack of coherence regarding U.S. foreign policy.