5. How does this document explain how Islam spread so quickly?

Mecca was the crossroads of important trade routes. A4.) How does this document explain why Islam might have spread so quickly? ... The writer believes Islam spread due to the trade routes, and how merchants gave each other better prices than they did for non-believers.

Explanation:

disease was the number one killer of native peoples. they had had little exposure to the diseases of europe. this led to some villages being almost completely wiped out and some tribes destroyed.

small european communities with shared traditions consolidated into large new states (apex)