The Second World War, also known as World War II, was a global conflict that took place from 1939 to 1945. It was the deadliest and most widespread war in human history, involving many nations from different parts of the world. Causes: The primary causes of the Second World War can be traced back to unresolved issues and resentments from the aftermath of the First World War. The Treaty of Versailles, which ended World War I, imposed heavy reparations on Germany and placed blame for the war on the German people. This led to economic hardships and a rise in nationalism in Germany, which contributed to the eventual outbreak of war. Key Events: German Expansion: In 1939, Germany, under the leadership of Adolf Hitler and the Nazi Party, invaded Poland, which led to the declaration of war by Britain and France. This marked the beginning of the conflict. Axis Powers: Germany formed alliances with Italy (under Benito Mussolini) and later Japan, creating the Axis Powers. These countries so...