After Three Years of Teaching, Ming Dynasty Became the World's Hegemon?

In an accident, Zhang Jinglin traveled to the Ming Dynasty. And he said in front of Zhu Yuanzhang that the Ming Dynasty did not exist for more than three hundred years! Fortunately, there is a famous teacher system, and students can become stronger by guiding them. When he walked out of the village, Ming Dynasty turned out to be the overlord of the world!