Describe the main causes and effects of World War 2

The main causes of World War 2 were:

1. Treaty of Versailles: The harsh terms imposed on Germany after World War 1 led to economic hardship and resentment among the German people, which provided fertile ground for the rise of Adolf Hitler and the Nazi party.

2. Expansionist ambitions of fascist powers: Germany, Italy, and Japan sought to expand their territories and influence, leading to aggressive actions such as the invasion of Poland, Ethiopia, and China.

3. Failure of appeasement: The policy of appeasement by Western powers, particularly towards Germany, failed to prevent Hitler's aggressive actions and emboldened him to pursue further expansion.

4. Alliances and treaties: The formation of alliances such as the Axis powers (Germany, Italy, Japan) and the Allied powers (Britain, France, Soviet Union, United States) escalated tensions and led to a divided world.

The effects of World War 2 were:

1. Loss of life: World War 2 resulted in an estimated 70-85 million deaths, including civilians and military personnel, making it the deadliest conflict in human history.

2. Destruction: The war left a trail of destruction across Europe and Asia, with cities and infrastructure in ruins, and millions of people displaced and homeless.

3. Holocaust: The systematic persecution and extermination of six million Jews by the Nazis during the war remains one of the most horrific atrocities in history.

4. Cold War: The war led to the emergence of the United States and Soviet Union as superpowers, setting the stage for the Cold War and decades of global tensions.

5. Decolonization: World War 2 weakened European colonial powers and paved the way for the independence movements in Asia and Africa, leading to the end of empires and the rise of new nations.

Overall, World War 2 had far-reaching and profound effects on the world, shaping the geopolitical landscape of the 20th century and beyond.