The 9/11 Commission concluded thatUS agencies had been very successful at sharing information. terrorist attacks would never happen again on American soil. the United States had done everything possible to prevent the attacks. the attacks might have been prevented with better communication.

the attacks might have been prevented with better communication.

Explanation:

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.