Which round of GATT first addressed subsidies?

If the Fed wants to reduce bank reserves, it can:

A. Raise the discount rate or buy bonds on the open market. B. Reduce the minimum reserve ratio or sell bonds on the open market. C. Raise the discount rate or sell bonds on the open market. D. Decrease the minimum reserve ratio or reduce the discount rate.

The goal of maximum sustainable employment is roughly equivalent to achieving ________

A) the natural rate of unemployment B) an inflation target that is slightly above zero C) the elimination of frictional and structural unemployment D) all of the above E) none of the above