How do world issues affect U.S. foreign policy?
a. Depending on the issue, the U.S. might reply with diplomacy, trade, economic sanctions, or military force.
b. The U.S. retains its tradition of rarely engaging in world affairs
c. Most world problems require a quick mobilization of the U.S. military.
d. As its economy has weakened, the U.S. has stopped using economic sanctions.