Within dar al-Islam, economics proved very successful. What was responsible for this success? a. It was a zone of commerce and communication b. It rejected agriculture for the promotion of industry c. It decreed a uniform governmental policy across regions d. European and Indian traders increased the number of valuable imports to the region
One reason why this was so successful was because "a. It was a zone of commerce and communication," since this led to a greater economy as well as idea and cultural diffusion.