Final answer:
The main impact of Pax Mongolica was increased trade and cultural exchange due to the stability and safety along the Silk Road. It facilitated prosperity and innovation across Eurasia, but also had negative effects such as resource exploitation and eventual economic and cultural stagnation.
Step-by-step explanation:
The main impacts of Pax Mongolica were A. Increased trade and cultural exchange as the stability provided by Mongol rule encouraged the flow of goods, ideas, and technologies across the enormous Eurasian continent. The Pax Mongolica, or Mongol Peace, was a period that fostered significant cross-cultural interactions due to improved safety and stability along the trade routes, notably the Silk Road.
Pax Mongolica, established by Ogedei Khan, ensured that those under Mongol control would experience relative peace and order, enabling long-distance travel and exchange. This period was marked by efficiency and prosperity as goods and knowledge spread widely, leading to innovations and progress across various cultures.