The origin of the Japanese.

Ethnically speaking, Japan belongs to the Mongolian race. Like all East Asians, it is probably because some China residents successfully crossed the sea in the early days (most of them may have died, and a few have the opportunity to go to Japan) and settled down. Later, with the progress of civilization, more and more people came to Japan from East Asia, and Xu Fudong was widely known for crossing the river in the Qin Dynasty. With immigration, East Asian civilization and technology were introduced into Japan, and Japan was able to develop.