The fact that, in new york city, divorce rates dropped in the aftermath of 9/11 is an example of a. improved cooperation resulting from desegregation. b. cohesiveness as a result of a common external threat. c. justification for poor performance. d. heightened paranoia.

Answer is B. Cohesiveness as a result of a common external threat.

Explanation:

Cohesiveness is being well-integrated or unified. In the situation of the people in New York City, they believed that having somebody very close to you, will be an advantage in the time of chaos.

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