Question

How did Islam spread?

Answer 1

Islam came to South east asia, first by the way of Muslim traders along the main trade route between Asia and the far east , than was further spread by Sufi orders and dinally consolidated by the expansion of the territories of converted rulers and their communities

Answer 2

The Islamic religion was expanded so frequently after the death of Muhammad through tremendous successes both by converting non-believer to Islam and by Military conquest of the Islamic community's opponent.

Another way of spreading Islam through trade networks Islamic lands linked Asia, Africa and Europe where merchants traveled through the silk road.