Japan is a neighbor of China separated only by water, with the same language and species. China took the lead in rising, and Japan became a vassal state. At the age of 20, he paid tribute, and the prince followed the DPRK. China sent Japanese production and living skills and Buddhist culture. In modern times, China closed its doors and gradually became a sacrificial lamb. After the Meiji Restoration in Japan. By learning western technology, it has become a powerful country in the world. History tells us that we must become a strong country.