Answer:
What helped Islam spread so quickly? I guess it kinda like your question
Explanation:
Muslim conquests following Muhammad's death led to the creation of the caliphates, occupying a vast geographical area; conversion to Islam was boosted by missionary activities, particularly those of imams, who intermingled with local populations to propagate the religious teachings. And I think that is how it spreads if any of that makes any sense!
Answer:
B. Deserts
Explanation:
The majority of the Arabian Peninsula is made up of vast deserts.
One of the reasons why stock bought on margin is considered a risky investment is because "Investors purchased the stocks with little cash down," meaning that they had to borrow the remained of the money.