Which of the following contributed to the rapid expansion of the Islamic/Arab Empire in the century following the death of Muhammad?

Question

Quizplus · Accepted Answer

The weakness of the Byzantine and Persian empires allowed the Islamic/Arab Empire to rapidly expand and conquer these territories. Without the weakened state of these empires, it would have been much more difficult for the Arab armies to gain control of these territories. The smooth succession of caliphs (B) and the uniting of all Arabs behind Muhammad's relative Ali (D) were not significant factors in the rapid expansion. While violent campaigns against Christians and Jews (C) did occur, they were not the main factor contributing to the expansion.

Which of the Following Contributed to the Rapid Expansion of the Islamic/Arab