This was when America officially became involved in WWII. After this, Britain and China declare war against Japan too. Seeing this happen, Nazi Germany and Italy declared a war on the USA three days later. By the end of 1941, WWII was in full swing. All major countries had declared war on one another. Now, without going into too many details about the actual war, we come to the surrender of Italy in 1943. Then on 30th April 1945, Hitler commits suicide by shooting himself. Germany surrendered thereafter.
Among the Axis Powers, Japan was the only one to not surrender. Despite continual losses, the Japanese Emperor wasn’t willing to surrender. At this point, it will be quite interesting to get into the details of Japanese Fascism. The thing was that the common folks in Japan were being highly brainwashed. The incumbent Japanese Emperor was Hirohito, People were told that Hirohito was a blessing from the Gods. People literally compared him to God. They would blindly believe whatever he said. If they didn’t they were considered to be traitors.
Since the Japanese Emperor said that colonizing other countries was for their good, it must be correct. When they went to war, they believed that it was for a good purpose. Anyone opposing the war in Japan, were hunted down and executed. Additionally, some Japanese cultures and traditions, were being modified in a way to manipulate people.