Why did Kublai Khan feel comfortable with the Polo's?

Kublai Khan felt comfortable with the Polos due to their shared cultural and economic interests, as well as the trust they built during their travels. The Polos, particularly Marco, demonstrated loyalty and adaptability, which endeared them to the Khan. Their knowledge of trade and geography made them valuable advisors, and their ability to communicate effectively helped bridge the gap between cultures. This rapport allowed Kublai Khan to rely on them for insights into the West, fostering a mutually beneficial relationship.