What conclusions can be drawn about the spread of Islam from 632 through 1000 A. D. (CE)?

Islamic armies faced major resistance from cities in the Persian Empire. Islam first developed in Europe and then spread inland through Africa. Islam had its origins in Constantinople before spreading to Arabia.

what terms are there?

swahili is an extremely rich and complex civilization, a set of ethnic groups articulated by a language and a series of cultural elements that fuse the african traditions, islam and indian culture. this growth was largely a result of the indian ocean trading network that brought in not just man-made riches, but also religious ideas, specifically islam, which had a significant impact on the local culture. furthermore, the development of the swahili language gave a common cultural unity to the people.