How did the incidents in Colfax, Memphis lead to the Reconstruction of Civil Rights amendments?

The racial violence used against the African American during these events raised the need to relook at the civil rights amendments.

Explanation:

The Colfax massacre refers to racial bloodshed in the American society in 1873 where a confrontation of a black militia and white extremist groups claimed the lives of around 150 blacks after they surrendered. Memphis Massacre is another example of the racial violence on the American soil in which the lives of 46 blacks and 2 white inhabitants of the region of Memphis was lost. These incidents raised concern over the safeguarding of the African Americans and the laws made for their protection.

the answer is a. harriet tubman was a nurse on the battlefield.