Following the U.S. Civil War, the Radical Republicans attempted to put a land reform through Congress, promising, 40 acres and a mule, to newly-freed blacks in the South, which was rejected by moderate elements as socialistic. This failure left blacks without an economic base, and was one of the key contributing factors to the development of sharecropping and segregation.
The answer to this would be C. The other two would not make sense or fit for the time period. Also c is true, just learned this in history too!
D. Hinduism developed from the Vedic religion, which was polytheistic.