The answer is when teachers began to start educating and training their students at school! I hope this helped :D
I'm pretty sure it's c but don't quote me on it
Answer:
Levee en masse is a French term used for a policy of mass national conscription, often in the face of invasion.
In 1870, Hiram Revels of Mississippi became the first African American senator. Five years later, Blanche K. Bruce of Mississippi took the oath of office. It would be nearly another century, 1967, before Edward Brooke of Massachusetts followed in their historic footsteps.
Your answer is B efforts Began in Africa and the 1500 and then spread to other parts of the world
