How did Islam help the Arabs become powerful? A. It was popular among Arab leaders.
B. It helped Arabs tolerate other gods.
C. It encouraged people to embrace older traditions.
D. It united the Arabs for the first time.
Help me plz :c

How did european exploration and expansion cause the african slave trade to expand? a. european explorers discovered the slave trade and expanded it across the indian ocean into south asia. b. arab armies captured european explorers and forced them into slavery. c. european traders shipped enslaved africans to work on plantations in european colonies in the americas. d.european explorers captured african people and forced them to work on their ships.