Answer:
Option A.
Step-by-step explanation:
The fourteenth amendment, is the right answer.
Amendment Fourteenth to the constitution of the United States was passed in July 1868, which constitute Citizenship, due process, and the Equal protection following the rule. This Amendment was an acknowledgement to the problems associated with former slaves following the Civil War in America. In short, the Fourteenth Amendment ensures Citizenship, Due Process, and Equal Protection under the legislation.