Final answer:
The September 11 attacks led to policy changes that allowed the government to preemptively address threats to the United States.
Step-by-step explanation:
The correct statement that best describes the effect of the September 11 attacks on U.S. foreign policy is option D. The September 11 attacks led to policy changes that allowed the government to preemptively address threats to the United States.
Following the attacks, the United States implemented changes in its foreign policy to prioritize national security and prevent future acts of terrorism. This included the adoption of the Bush Doctrine, which allowed the government to take preemptive action against perceived threats to the country.
For example, the invasions of Afghanistan and Iraq were justified under the idea of preemptively addressing potential threats to the United States. These policy changes had a significant impact on U.S. foreign policy in the following years.
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