Answer :
Final answer:
The Ku Klux Klan's primary goal in the post-Civil War South was to prevent black Republicans from voting.
Explanation:
The primary goal of the Ku Klux Klan (KKK) in the post-Civil War South was to prevent black Republicans from voting in elections. The KKK engaged in violent and intimidating tactics to suppress African Americans and white supporters from participating in the political process, ultimately aiming to maintain white supremacy.
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