The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
This was the first phase returning the southern states to the union and was led by Lincoln and Johnson its goal was to reunite quickly and moderately. We are talking about Reconstruction.
At the end of the American Civil Will and after so much suffering and pain on the battlefield, United States President Abraham Lincoln was interested in a quick reconstruction period in which the Confederate states could easily rejoin the Union.
That is why he, and later President Johnson (after the assassination of Lincoln) gave leeway to the southern states to do Reconstruction at their own pace. Many conservative and radical Republicans in the United States Congress critiqued and opposed this decision because they thought the south deserved a harsh punishment for the damages caused during the war.