I'm going to say C since I looked up the question, but warning you , I may be wrong
It was Socrates who was Plato's famous teacher, and Plato's famous student was Aristotle. All three of these men had a profound impact on the future of western philosophical thought.
Alexander Graham Bell and Antonio Meucci????
Assuming you're still referring to the Fifteenth Amendment, many critics pointed out that the newly-freed slaves lacked the proper amount of education to make informed voting decisions, and that it would be detrimental to the state to have them vote in general and local elections.
