which of the following were factors that contributed to the near extinction of the Buffalo? Select all that apply.

a. Demands for Buffalo hides increased in the east.
b. Open ranges where Buffalo grazed were destroyed by settlements.
c. Migration patterns were destroyed by hearding buffalo south.
d. After disease and route, there was competition among animals for survival.
e. A chemical fertilizer used by farmers with extremely poisonous to the buffalo.

a. Demands for Buffalo hides increased in the east.

b. Open ranges where Buffalo grazed were destroyed by settlements.
c. Migration patterns were destroyed by herding buffalo south.