Emergence of Buddhist Sects
18 total
Second Council created 2 groups
Mahasangha (majority of sangha present) = Maha-sanghika sect
Theras (elders) = Theravada or Theriya sect
Reasons
Rebellious monks
Wrong views
Impostors
Interpretation of rules
Buddha wanted Sanga to be self-governing, allowed for splits.
Different groups rallied around different high-ranking teachers.
Also geography separated Sanga into sects.
Further elaboration and clarification of teachings caused separation too.