1.) This oath even forbade me means that this promise even prevented me. The answer is letter C. Since, in a literal sense, oath means promise and forbade means to prevent.
2.) It's more of the second statement - <span>I do not believe that the presidency gives me the authority to abolish slavery. Since in </span>his personal opinion, <span>Lincoln agreed that all slaves should be freed. But he did not believe that "the Constitution gave him the power to free all the slaves". He hoped that could be done slowly, during peacetime.</span>
