What seems to have facilitated the spread of islam in the 14th century?

True or false plebeians were the highest social class in ancient rome

Which statement can be said to be true after examining this map? (1 point) christianity remained popular in egypt after 400 ad. christianity was the only religion in the roman empire until 476 ad. christianity expanded in the roman empire after 325 ad. christianity did not expand beyond the boundaries of the roman empire by 476 ad

How did great depression affect germany and the soviet union differently