Columbia subject headings:
Colombia--Foreign relations--United States--History.
Economic assistance, American--Colombia--History.
Military assistance, American--Colombia--History.
Social conflict--Colombia--History.
United States--Foreign relations--Colombia--History.
Harvard subject headings:
Colombia--Foreign relations--United States
Economic assistance, American--Colombia--History.
Military assistance, American--Colombia--History.
Social conflict--Colombia--History.
United States--Foreign relations--Colombia
Princeton subject headings:
Colombia--Foreign relations--United States--History.
Economic assistance, American--Colombia--History.
Military assistance, American--Colombia--History.
Social conflict--Colombia--History.
United States--Foreign relations--Colombia--History.