Education reform lead by Horace Mann was a major reform movement in the early 1800's. He helped create mandatory public education for all in the United States.
I would say either A or C, but i'm not positive, my research didn't tell me much, sorry!
Mesopotamian, they had many false gods.
Some scholars believe that he was born between 6 B.C. and 4 B.C. B.C. stands for "Before Christ", and AD stands for "After Death", which means after Christ's death.