Answer:
He thought that acting too fast would result in Southern backlash.
Step-by-step explanation:
Eisenhower had centrist thinking just like that of Lincoln. He was considered as a role model after Abraham Lincoln since he had similar point of views regarding slavery, extremism, civil rights etc.
Eisenhower was very sympathetic with people of the Southern borders. He wanted to bring peace into their lives. But, he knew if they acted with fast pace they would receive backlash from their actions and reconciliation between people of different races will become impossible.