How did the spread of Islam through conquest differ from the spread of Islam through trade, missionaries, and pilgrims?

After the advent of Islam in the Arabian Peninsula in the 7th century, Islam started its expansion towards eastern regions through trade encouraged by the development of the maritime Silk Roads. Muslims were known to have a commercial talent notably encouraged by Islam, as well as excellent sailing skills.

Explanation:

becasue in the south they disallowed slavery but in the north slavery was illegial this boilled into because mexico wanted slavery

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