Which of the following was a key foreign policy change initiated by President Bush in implementing the war on terrorism?

A. seeking to occupy and hold control of terrorist-sponsoring nations in order to engage in lengthy nation-building activities
B. asserting the right of the U.S. to attack terrorist nations and groups before itself being attacked
C. relying more heavily on the United Nations to engage in anti-terrorist peacekeeping operations
D. reducing the power of the CIA and NSA to combat individual terrorist actors internationally
E. shifting responsibility for battling terrorism to NATO

Answer: B