Columbia subject headings:
Obama, Barack--Military leadership.
United States--Foreign relations--2009-2017.
United States--Military policy--Decision making.
United States--Politics and government--2009-2017.
Harvard subject headings:
Obama, Barack
Obama, Barack--Military leadership.
United States--Foreign relations--2009-2017.
United States--Military policy--Decision making.
United States--Politics and government--2009-2017.
Princeton subject headings:
Obama, Barack--Military leadership.
United States--Foreign relations--2009-.
United States--Military policy--Decision making.
United States--Politics and government--2009-.