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Because he takes over this continues making Islam stay strong
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Because they're expelled this declines the spread of islam
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This spreads Islam into the Middle East and continues the spread of islam
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Because of this there is a decline in the spread of islam
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Since they were invaded the spread of islam declined
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because they drove them out Islamic culture began to spread
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Because of this there is a increase in Christianity
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Because christianity spreads Islamic culture declines.
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This event let Turks convert to Islam and contributed to the spread of islam
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Because they migrated it helped to add to the spread of Islam
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Separate dynasties take over places such as Egypt and Spain. Parts of the Arab empire is invaded by the Shiite
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Abu al Abbas captures domiscus and it spreads the religion
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The spread of Islam declines when the armies are defeated
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When the muslim armies travel into Spain and France it helps with the spread of Islam.
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Ali is killed and most of Persia, Arabia and Egypt are conquered by Islam and this is the beginning of the spread of islam
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Muhammad dies from an illness and a guy named Abu Bakr continued his work. Muhammad's death ultimately declines the spread of islam.