Black officeholders during Reconstruction:.
a. were extremely rare.
b. were entirely carpetbaggers and scalawags.
c. helped ensure a degree of fairness in treatment of African-American citizens.
d. were limited to local offices.
e. demonstrated that whites had lost all of their political power in the South.

C.

Explanation:

helped ensure a degree of fairness in the treatment of black citizens.

adopted the practice of proskynesis, a persian court custom that involved bowing down and kissing the hand of others, depending on their rank.

the deaths of over a million communist soldiers

post-traumatic stress disorder in veterans