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

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

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

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

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

The Answer is Option D: As a part of Congressional Reconstruction, African American men were able to  vote and take an active role in state government.

Explanation:

Sixty percent of the voting population in South Carolina were African American, and this assured Republicans were in control of the state government during Reconstruction. This allowed for the passage of progressive legislation that sought to improve conditions for the black communities,  more than was accomplished by any other state in the South. In 1869 the South Carolina Land Commission was created to encourage landownership among poor blacks. Francis L. Cardozo was elected as Secretary of State in 1868.  However, Organizations such as the Ku Klux Klan were active in the state and they beat hundreds of victims and murdered many public figures at this time such as Solomon Dill and James Martin. Between 1868 and 1871 South Carolina Republicans were subjected to terror.

harding's opponent in the 1920 election was ohio governor and newspaperman james m. cox, who had won the democratic nomination in a 44-ballot convention battle. harding rejected the progressive ideology of the wilson administration in favor of the laissez-faire approach of the mckinley administration.

are their options?

otherwise i can't