of the former Yuan dynasty). As he grew strong in the northeast, the Ming decided to defeat him instead of waiting for the Mongols to attack. In 1387 the Ming sent a military campaign to attack Naghachu, This ended in Ming victory and also concluded with the surrender of Naghachu and the Ming taking over Manchuria.

The early Ming court did not impose as much control on the Jurchens as the Yuan dynasty did; it did not tax them, and did