Answer:
slavery , no rights , and last but not least racism
Explanation:
Racism is the belief in the superiority of one race over another. It may also mean prejudice, discrimination, or antagonism directed against other people because they are of a different race or ethnicity. Modern variants of racism are often based in social perceptions of biological differences between peoples.
The Answer is (B) They served only in segregated units.<span>
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Prussia won leading to german unification under prussia