What were the main causes of World War II?

The main causes of World War II are best understood through the interconnectedness of various factors, each contributing to the environment that led to the outbreak of the war.

The rise of totalitarian regimes played a crucial role, as authoritarian leaders in countries like Germany, Italy, and Japan adopted aggressive policies that sought to expand their territories and influence. These regimes were characterized by suppression of dissent, militaristic nationalism, and expansionist ambitions, which directly escalated tensions in Europe and Asia.

Aggressive expansionism is another significant factor. Countries like Germany sought Lebensraum, or "living space," which drove their invasions of neighboring countries. Similarly, Japan pursued imperial ambitions in Asia, leading to conflicts with China and other nations. This territorial aggression destabilized international relations, contributing to the onset of war.

The Treaty of Versailles created a sense of injustice and economic turmoil in Germany after World War I. The harsh penalties and reparations imposed on Germany fostered resentment, economic hardship, and a desire for revenge, setting the stage for the rise of Hitler and the Nazi Party. This sense of humiliation and desperation ultimately contributed to the aggression that ignited World War II.

By recognizing that these factors are interconnected—totalitarian regimes pursuing aggressive policies, driven in part by