Answer:
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.
The answer is either A or B, but A sound like a better answer to me.
Muhammad's first revelation<span> was the event in which </span>Muhammad <span>was visited by the archangel Gabriel in 610 CE, who revealed to him a verse from the Quran. </span>It instructed them to praise only Allah and follow the footsteps of Muhammed.
The top is correct I’m sure ^^^