Columbia subject headings:
International trade.
Monetary policy--United States.
Protectionism--United States.
United States--Commercial policy.
Harvard subject headings:
International trade.
Monetary policy--United States.
Protectionism--United States.
United States--Commercial policy.
Princeton subject headings:
International trade.
Monetary policy--United States.
Protectionism--United States.
United States--Commercial policy.