Answer:
Nineteenth
Step-by-step explanation:
Presentation made for black history month should somehow highlight the events that directly involved Black people in United States. Except of the nineteenth amendment, all the other amendments were made to specifically increase the rights of black communities In United States.
13th Amendments
This amendment was created to free black people from slavery.
14th amendments
This amendments was created to improve the protection for minorities in United States.
15th Amenemtns
This amendments was created to grant Black people to vote in election.
The 19th amendment on the other hand , was created to give the right for women to vote. Before this amendment, even white women weren't allowed to vote. So, this amendment is not specifically targeted black people in Untied States.