Answer:
D) Abraham Lincoln initially believed that slavery should be maintained in the South to keep the American economy afloat, but changed his view that slavery should be gradually abolished with reparation.
Explanation:
D. He would allow slavery to continue in the South to prevent a war" is the correct answer, since Lincoln's main objective was preserving the Union.
Resource Used:
https://philosophy-question.com/library/lecture/read/259466-which-statement-accurately-indicates-a-change-in-abraham-lincolns-views-on-the-abolition-of-slavery-from-his-peoria-speech-to-the-emancipation-proclamation
I hope this helps you in any shape or form.