The southern whites denied the service of justice to the Blacks and African Americans during Reconstruction in the following ways,
During the Reconstruction of the American states, the whites who lived in the southern America did not allow the blacks and African Americans in the states to have a right to vote or to own land.
Furthermore, the whites took the assistance of Ku Klux Klan to spread fear among the Blacks and helped themselves establish their supremacy in the southern states.
Hence, options B and C hold true regarding the reconstruction.
Learn more about Reconstruction here:
https://brainly.com/question/1317157
#SPJ1