Ulysses s. grant led
a. the confederate soldiers.
c. the union soldiers.
b. the abolitionists.
d. protests at the polls.

Ulysses S. Grant led the Union soldiers.
This, of course, was before he became the 18th president of the United States. As a commanding general, he attended the Union Armies to overcome the Confederacy in the American Civil War while working with Abraham Lincoln.

It would be the union soldiers

The correct answer is c