Why were the reservations seen as an obstacle to assimilation of the native americans? A. Reservations separated native americans from american culture.
B. Reservations created animosity between tribal groups.
C. Reservation made native americans dependent upon the government.
D. Reservation placed native americans in close contact with white settlers

B. Reservations created animosity between tribal groups.

Explanation:

The reservation system was an effort to separate the Native Americans from the lands that Europeans wanted to settle on, so as to avoid conflict and blood shed.

Therefore, the reservations were seen as an obstacle to assimilation of the native Americans because they created animosity between tribal groups.

cultural/diplomatic relations. most medieval japanese   culture has chinese origins. writing, architecture etc.

your answer would be (b)