Answer:
The Fifteenth Amendment to the Constitution was approved in the Reconstruction period, on February 3, 1870. Through this amendment, the right to vote was guaranteed for minorities, specifically African-Americans, since this amendment prohibits preventing voting. to any citizen due to race, color or previous situation of slavery.
However, many reformers were upset with the text of this amendment, since it excluded women from this right to vote. This was so since at the time of the enactment of this amendment women were not considered citizens of the United States, but simply inhabitants born in the country but without political rights.