Answer:
A: The crusades
C: Travels of Kublai Khan
Explanation:
Teh crusades were holy wars fought by the army of the Catholic Church provided by several kingdoms that tried to re-conquer Holy Land, this made it for more and more people to travel to the middle east that increased the trade, as well as the travels of Kublai Khan who traveled through all of Asia, and up to the middle east.
