Columbia subject headings:
United States--Economic policy.
War--Economic aspects.
World War, 1914-1918--Economic aspects--United States.
Harvard subject headings:
United States--Economic policy.
War--Economic aspects
World War, 1914-1918--Economic aspects--United States
Princeton subject headings:
United States--Economic policy.
War--Economic aspects.
World War, 1914-1918--Economic aspects--United States.