Mecca, or Makkah, is Islam's holiest city. Located in Saudi Arabia, it is the birthplace of Muhammad and the religion itself. Millions of people travel there every year for the annual Hajj.
The Emperor Wu also established a government monopoly in the trade in grain.
Mussolini :) truuuuuustttt meeeeee
The last one. During the crusades, different foods and such were found, different goods were unlocked to europe, and different mathematic and scientific ideas were brought back as well.