Absolutely nothing at all
Answer:
Another effect of the spread of Islam was an increase in trade. Unlike early Christianity, Muslims were not reluctant to engage in trade and profit; Muhammad himself was a merchant. As new areas were drawn into the orbit of Islamic civilization, the new religion provided merchants with a safe context for trade.
D. Boycott is your answer
The other 3 are all types of people, a group of people, while boycott is an action that is used by people
hope this helps
I accidentally answered this, if I post this then i could get accused for plagiarism sorry
It can increase twice the the amount of the money placed in the bank.