What Started World War 2? Key Causes and Events Explained

Discover what started World War 2, from Germany's invasion of Poland to the Treaty of Versailles and the rise of fascism.

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World War 2 was ignited by a combination of factors, but the invasion of Poland by Germany on September 1, 1939, is widely recognized as the spark that started the conflict. This act of aggression prompted Britain and France to declare war on Germany, marking the beginning of a global war that would last until 1945. The war's roots can also be traced back to unresolved issues from World War 1 and the Treaty of Versailles, economic instability, and the rise of fascism.

FAQs & Answers

  1. What event triggered the start of World War 2? The invasion of Poland by Germany on September 1, 1939, triggered Britain and France to declare war, marking the beginning of World War 2.
  2. How did the Treaty of Versailles contribute to World War 2? The Treaty of Versailles left unresolved issues and economic instability, fueling resentment in Germany that contributed to the rise of fascism and ultimately World War 2.
  3. Why did Britain and France declare war on Germany? Britain and France declared war in response to Germany's aggressive invasion of Poland, honoring their commitments to protect Polish sovereignty.

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