Multiple choice general knowledge history

Event seen as the immediate cause of world War1.

  1. Assassination of Arch Duke Franz Ferdinand

  2. Assassination of heir- apparent Francis Di Stefano of Prussia

  3. Destruction of Lusitania, an american ship by a german u boat.

  4. Prussian attack on Austria-Hungary.

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A Correct answer
Explanation

The assassination of Archduke Franz Ferdinand, heir to the Austro-Hungarian throne, in Sarajevo on June 28, 1914, is universally recognized as the immediate trigger that sparked World War I. The Lusitania sinking occurred later in 1915, and the other options are historically inaccurate.