Answer:
a) ratify the 14th amendment.
Step-by-step explanation:
The 14th amendment of the Constitution of the United States was ratified in 1868 and states that all person who born or naturalized in the country would be provided equal protection under the law and it includes the former slaves. As it was promised 14th amendment reflects the commitment made to Blacks during the Civil war. However it was rejected by the most Confederate states, it was eventually passed by three fourth states.