Please write a composition of not less than 600 words on the topic of "harmony"

Peace. . . Write it like this. . China's 5,000-year civilized war continued into modern times. Beat back the Japanese invaders. . . Then write. . The importance of peace. . . It has always been the development of this country. . Economic prosperity. People's living standards have been greatly improved. . . This is all caused by peace. . If there is a war, it will still be like this. . Add the following words of yourself. . . it doesn't matter