Why Did the Jains Separate into Two Sects by 80

Multiple Choice

Why did the Jains separate into two sects by 80 B.C.E., sects that still exist today?

A) They separated because of a land dispute.
B) They separated because they disagreed over what it meant to be a true Jain.
C) They separated over a dispute involving the leadership of the religion.
D) They separated over a dispute involving the role of children in the religion.