Columbia subject headings:
Europe--Foreign relations--United States.
International relations--History--21st century.
International relations--Political aspects.
Political science.
Political theology.
Religion and international relations.
United States--Foreign relations--Europe.
Harvard subject headings:
Europe--Foreign relations--United States.
International relations--History--21st century
International relations--Political aspects.
Political science
Political theology.
Religion and international relations.
United States--Foreign relations--Europe.
Princeton subject headings:
Europe--Foreign relations--United States.
International relations--History--21st century.
International relations--Political aspects.
Political science.
Political theology.
Religion and international relations.
United States--Foreign relations--Europe.