C594 Zhu wu cried and hurt his brother

The era of one of the most difficult battlefields was the period of time in the late Yuan and early Ming dynasties.

This was even more difficult than the last years of the Qing Dynasty. At the very least, in the last years of the Qing Dynasty, China's territory was generally peaceful.

At that time, the Mongol army had pushed the entire Eurasian continent into hell