Which letter represents the region that shows how far Islam had spread 100 years after Muhammad's death?

(A map would be necessary to provide the letters representing different regions.)

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Note: The provided text references regions and geographical features without context or a map, making it challenging to accurately reformat. Including a map with marked regions (labeled A, B, C, etc.) would be essential for clarity.



Answer :

Final answer:

Islam had spread to the Arabian Peninsula, North Africa, and the Iberian Peninsula 100 years after Muhammad's death.


Explanation:

The region that shows how far Islam had spread 100 years after Muhammad's death is the Arabian Peninsula, North Africa, and the Iberian Peninsula. After Muhammad's death, Arab military forces expanded Islam's reach across these regions, under the Umayyad Caliphate of the 7th and 8th centuries, stretching from Spain and Portugal to Pakistan.


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