Columbia subject headings:
Harvard subject headings:
International relations
Political psychology--United States.
Presidents--United States
Trump, Donald, 1946-
United States--Foreign relations--21st century.
United States--Politics and government--2009-2017.
World politics--21st century
Princeton subject headings:
International relations.
Trump, Donald, 1946-
United States--Foreign relations--21st century.
United States--Politics and government--2009-2017.
World politics--21st century.