Question

.After the civil war, many former slaves started schools even though many others tried to stop them. What amendment could the freed people use to defend their right to educate themselves and their children?
A) 14
B) 15
C) 19

Answer 1

or like @Opcode or @chamel0305

Answer 2

It's B 15th.
Prohibits the denial of suffrage based on race, color, or previous condition of servitude