How were political opportunities created for African Americans during Reconstruction in South Carolina successful?

Question 5 options:

As a part of Congressional Reconstruction, African American men were able to vote and take an active role in state government.

South Carolina chose Francis L. Cardozo as its first African American governor in the statewide elections of 1868.

African American men and women were given full political rights as a result of Presidential Reconstruction in South Carolina.

Those African American men who had proof of service in the Union army during the war were able to vote and hold public office.

All of the above