Pax Mongolica refers to the period of social stability, peace and economic growth for the Mongols. The Mongol rulers played a crucial role in achieving this due conquering their enemies in Asia.
Having managed to claim vast land in Asia, the Mongols were able to ensure the security of travelers. It also helped to improve communication between different empires on their land. Even though there were some issues among the Mongols, they could not risk the importance of travelers and trade for the sake of their differences. Their expansion and growth led to the spread of gun powder, money and paper to the rest of the world.