Ancient times were the home of the world, and modern times were the home of the world. Since the Republic of China, democracy has been a slogan, which led to the demise of the Qing Dynasty. But this slogan was useless, so it failed to unite the people and let the Japanese invade China.
All of a sudden, it's all over the world, so when it comes to Pearl Harbor, the sound of a morning chicken is Japan's atomic bombing. Its great decline has moved people all over the world: Renyi, Li Zhi and Wude reached the bottom of the century, and since then, capitalist society has emerged.