Final answer:
The spread of Islam was facilitated by its ability to absorb and tolerate various cultures, along with trade networks.
Step-by-step explanation:
The initial spread of Islam was facilitated by its ability to absorb, assimilate, and tolerate various cultures. In the early years of Islam, Muslim societies were known for their openness to incorporate traditions and customs of conquered peoples, which helped gain more followers and expand their influence. Additionally, trade routes and commercial networks played a significant role in the spread of Islam, connecting different regions and enabling the dissemination of Islamic ideas and beliefs.
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