What made the election of hundreds of african american leaders to local,
state, and congressional offices possible during the 1870s?
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a. the acceptance of southern white voters
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b. the passage of the fifteenth amendment
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c. the voting rights act
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d. an amendment allowing women to vote

B. The passage of the Fifteenth Amendment

Explanation:

Fifteenth amendment of the constitution of the United States emphasized the right to vote to all the citizens irrespective of the race or but the word black was avoided. After much-debated discussions and ratification in it, it was passed in 1870. Finally, the Republicans passed it. However, the conditions were stable in the north but the south was on the violent path where black people were killed when they tried to use their right.

d) post-world war i

because the earth is a round globe. but that is just what they tell us it is flat and those dudes actually where lying they sailed east.