How did the expansion of Islam lead to the spread of learning ?

The Islamic religion expanded throughout much of Asia, North Africa and into Europe fairly rapidly. Starting in the Arabian Peninsula, expansion really started after the death of Muhammad in 632. Not only did the new Islamic community, or umma, continue, but within the next 200 years, Islam spread throughout much of the region.

Explanation:

c) troops march forward in close formation against newer, more accurate weapons