After the 9/11 attacks, the United States shifted its foreign policy from post–Cold War concerns to
a. fighting the war on terrorism.
b. relaxing laws on international trade.
c. canceling debt for African and Asian nations.
d. decreasing American presence on foreign soil.
After the 9/11 attacks, the United States shifted its foreign policy from post–Cold War concerns to "a. fighting the war on terrorism," since the idea was that the US could find the "home bases" of terrorism.