Question

Which of the following might have been the most beneficial factor for the spread of Islam ?

a. Islam as a tradition was compatible with a trading culture
b. Islam was polytheistic, and therefore appealing to other cultures
c. Islam encouraged almsgiving and so was popular with poorer people
d. convert Islam was already the main religion of the Umayyad Caliphate, and so all citizens were expected to

Answer 1

This is of course somewhat of a subjective question, but in general most would agree that "a. Islam as a tradition was compatible with a trading culture" would be correct since this led to the spread of ideas.