WWII effect on JapanWorld War II had a great impact on Japan. The war lasted from 1939 to 1946, and Japan was involved in the war from 1941. Japan had many effects from this war. These effects were both positive and negative and shaped the history of Japan for years to come.The first effect of World War II on Japan was the devastation of cities and loss of life. The cities of Hiroshima and Nagasaki were destroyed by atomic bombs dropped by the United States, killing almost 200,000 people. Many other cities were also destroyed by the intense bombing campaigns, leading to a loss of life and property. Japan had suffered immense losses, and the aftermath of the war led to a period of rebuilding the infrastructure and rebuilding lives.The second effect of World War II on Japan was that it brought a radical change in the country's political and social structure. The Japanese Emperor, Hirohito, announced the end of the war on August 15, 1945, and Japan surrendered to the Allied powers. The war led to the loss of the Japanese empire, which had been central to the Japanese people, and brought a new period of democracy, social reform,