With flexible exchange rates, trading partners usually are better off if they coordinate their monetary and fiscal policy. Coordination allows: Note: you may have to solve this one by eliminating possibilities.
A. Trading partners to use a fixed exchange system
B. Trading partners to use a fixed exchange system
C. Trading partners to use a system similar to the Bretton Woods agreement
D. Nations to trade using a barter system, since no currency needs to exchange hands
E. Trading partners to keep exchange rates relatively stable