历史小径·世界史英语30篇（1）

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蒙古驿站：帝国之路

Under Genghis Khan and his successors, the Mongols built the largest connected land empire in history.
They established the Yam — a relay network of horse stations stretching over 8,000 kilometers across Asia.
Riders changed mounts every 32–40 kilometers, allowing messages to travel 400 km per day.
Merchants with official passports called paiza enjoyed safe passage, tax exemptions, and lodging.
Pax Mongolica reduced banditry and standardized weights, making Silk Road trade safer and faster than before.
Marco Polo used these roads to reach Kublai Khan’s court in Beijing during the 1270s.
Buddhist monks, Muslim doctors, and Nestorian priests traveled freely, exchanging knowledge and beliefs.
Yet local rulers kept their customs — the Mongols governed through cooperation, not forced assimilation.
When the empire split in the 1360s, the Yam declined, and regional trade networks weakened.
Still, this system proved how infrastructure and trust could unite distant peoples across vast distances.