World War II: A Global Struggle with Lasting ImplicationsWorld War II (1939-1945) was a global conflict involving major powers organized into two opposing military alliances: the Allies and the Axis (Beevor, 2012). With over 100 million people from over 30 countries involved, it remains one of the deadliest and most widespread wars in history, resulting in an estimated 70-85 million deaths, including 6 million Jews in the Holocaust (Gilbert, 1989). This essay explores the causes, events, and consequences of World War II while reflecting on its lasting impact on the world.Causes of World War IIThe causes of World War II can be traced back to unresolved issues from the end of World War I and the Treaty of Versailles (1919). The treaty imposed heavy economic and military sanctions on Germany, leading to political and economic instability (Keylor, 2018). Many Germans felt humiliated and resentful, creating fertile ground for extremist ideologies like Nazism (Shirer, 1960).The rise of Adolf Hitler and the Nazi Party in Germany in the early 1930s was a crucial factor in the lead-up to the war (Kershaw, 2008). Hitler sought to expand Germany's territory and correct what he perceived as the injustices