Every war has its own reasons and is fought with utmost destruction. World War 2 was a continuation of the World War 1 in terms of ideas and energy, but not with the same cause. World War 1 was fought due to the assassination of Franz Ferdinand. In this war, there were two power the allied and the central. Wherein the World War 2 was fought between Germany and the Great Britain and France. After the assassination war was declared by Austria on Serbia. Which was further fought by Russia. With all the allies and allied powers, the war began full-fledged and went for four years from 28th July 1914 to November 1918.