Multiple choice general knowledge history

Which of the following was one of the primary causes of World War I?

  1. Germany attacked France

  2. Archduke Ferdinand's Assassination

  3. Attack on Pearl Harbor

  4. German U-boats sink an English oil-tanker
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The assassination of Archduke Franz Ferdinand of Austria in Sarajevo on June 28, 1914, was the immediate trigger that set off the July Crisis and activated alliance networks, leading to World War I. The other options are incorrect: Germany attacking France happened during WWII, Pearl Harbor was WWII, and U-boat attacks were during WWI but not a primary cause.

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