In the Second World War, on one side there were Germany, Italy, Japan, Finland, Rumania and Hungiy while on other side were Allied nations- Britain, France, USA, China, Poland and their colonies. In the beginning Axis power (nations) got success. In December 1941, Japan attacked on Naval centre of America’s Pearl Harbour. Because of this, America also joined the war. After it, Allied nations started getting success. American army made France free from Hitler. Italy also surrendered. In 1945, Germany also declined. On 6th Aug., 1945 America dropped bombs on Hiroshima, and on 9th August 1945 over Nagasaki. Due to fear of this destruction, Japan sent a resolution of surrender. At the end, on 14th August 1945 the war was over.