"The overall U.S. role in the world since the end of World War II in 1945 (i.e., over the past 70 years) is generally described as one of global leadership and significant engagement in international affairs. A key aim of that role has been to promote and defend the open international order that the United States, with the support of its allies, created in the years after World War II. In addition to promoting and defending the open international order, the overall U.S. role is generally described as having been one of promoting freedom, democracy, and human rights, while criticizing and resisting authoritarianism where possible, and opposing the emergence of regional hegemons in Eurasia or a spheres-of-influence world.
Certain statements and actions from the Trump Administration have led to uncertainty about the
Administration’s intentions regarding the future U.S. role in the world. Based on those statements
and actions, some observers have speculated that the Trump Administration may want to change
the U.S. role in one or more ways. A change in the overall U.S. role could have profound
implications for U.S. foreign policy, national security, and international economic policy, for
Congress as an institution, and for many federal policies and programs..."
U.S. world role