During Reconstruction, Congress feared that pardoning former Confederates would result in the suppression of the civil rights of Black people. What happened to reinforce those fears?

A. Southern states passed Black Codes.
B. Former Confederate leaders came to power.
C. The Freedmen's Bureau was established.
D. The military prevented Black people from voting.

The Black Codes passed by Southern states and the rise to power of former Confederate leaders reinforced Congress' fears of civil rights suppression during Reconstruction.

Explanation:

During Reconstruction, following the Civil War, Southern states passed Black Codes which restricted the rights of Black people, including the right to vote and access to education. This reinforced Congress' fears of civil rights suppression. Additionally, former Confederate leaders came to power in many southern states, further threatening the rights of Black individuals.

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