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.

the social contract theory

when a country suffers, for example, a drought period, the market product is affected for a low offer, in this case, potatoes; the government has to tax to the households, which have to give more money for the potatoes which they consume, that situation make them consume substitute goods even through loans, it could increase the financial market movement and the inflationary phenomena, the business has to increase salaries in order to the employees could buy a more expensive food (potatoes) and in order to inflation tha business had to buy expensive supplies in the factor market, while the rest of the world have to gain more money to consume the same amount of potatoes.