In the part of asia, there are many followers of buddhism and islam? exact answer needed

Why did muhammad move from mecca to the city of medina? a. he had already established a muslim community in mecca. b. he and his follower faced persecution by opponents in mecc. c. he did not want to interfere with existing worship at the kaaba in mecca. d. he was a merchant and wanted to trade with the people of mecca. who ever can put the whole test down i will put unit 2 lesson 7