What was “Reconstruction” in regard to the Civil War?

The Reconstruction era was the period after the American Civil War from 1865 to 1877, during which the United States grappled with the challenges of reintegrating into the Union the states that had seceded and determining the legal status of African Americans.

Explanation:

kennedy used a range of this to develop a 'flexible response' plan for any international crisis. “he also expanded the it was important, because it ordered the fall of khruschev.