Which circumstance did the pax mongolica most directly encourage? a. peace with neighboring empires b. increase in economic and cultural exchange c. religious tolerance among monotheistic faiths d. end to mongol expansion

It was evident that the Pax Mongolica encouraged the spreading of different ideas and a great cultural expansion around Europe and Asia when they devised a postal system which was a way of communicating across the vastness of the Mongol Empire.

"teotihuacan was the cultural center of the zapotecs".