It Demonstrates the Importance of Trade.
Kublai Khan rose to power in 1260 and became ruler of the vast Mongolian Empire his grandfather, Genghis Khan, had established.His subjugation of the Song Dynasty in southern China made him the first Mongol to rule over the entire country and led to a long period of prosperity for the empire.
The trade route proved to be impractical because the route was so risky and there was a great distance to travel. The rulers of the Native nations met them freely. The rulers of the Native nations were captured by treachery.
Congress is demanded and received surrenders of large amounts of Indian land north of the Ohio River and in the South.