What peace terms did grant offer lee at appomattox court house on april 9, 1865?
a. grant allowed lee to keep his slaves.
b. lee would be tried for treason in a military court.
c. grant required confederate officers to serve prison time.
d. lee's men could keep their horses?

In the choices above, the correct letter of the answer that will suffice the question is that lee's men could keep their horses , letter b.  Grant did not mention about lee keeping his slaves nor the fact that lee will be tried for treason or even grant officers to serve. Grant offered to keep lee's men horses in order to declare peace terms.

Every statement this is because of the same law