Final answer:
Islam spread through conquest, trade, and the fair treatment of conquered people.
Step-by-step explanation:
The spread of Islam can be attributed to various factors:
- Conquest: Islam spread through military campaigns and conquests. Muslim armies conquered lands, and as a result, the religion was introduced to the conquered people.
- Trade: The expansion of trade networks facilitated the spread of Islam. Muslim merchants traveled to different regions, exposing local populations to the religion.
- Treatment of conquered people: The fair treatment of conquered people by Muslim rulers sometimes created a favorable impression of Islam and encouraged conversions.
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