According to the evidence used by Oakes, did Lincoln believe that black soldiers deserved equal pay to white soldiers?

a) Lincoln absolutely opposed granting black soldiers equal pay but he feared Douglass would criticize him in public.

b) Lincoln believed in equal pay but he did not support it because he feared the public did not support equal pay.

c) Lincoln granted black soldiers equal pay but the upper echelons of the military opposed it.

d) None of the above