The correct answer to this open question is the following.
Although there are no options attached we can say the following.
This amendment to the United States Constitution was established to ensure that all citizens are treated equally under the law. We are talking about the 14th Amendment to the United States Constitution.
The Fourteenth Amendment requires state governments to guarantee due process.
This amendment granted citizenship to former African American slaves. The amendment also gave black people equal civil rights that protected African Americans as part of the Reconstruction process of the US after the bloody Civil War.
The 14th Amendment to the United States Constitution was part of the important legislation in the time of Reconstruction. It was adopted on July 9, 1868, and granted protection under the law to all former African American slaves and gave them US citizenship.