Answer :
The assassination of Archduke Franz Ferdinand of Austria-Hungary was the direct cause of World War I, bringing into play the alliances, imperialism, militarism, and nationalism stated above.
What do you mean by World War 1?
- Nationalism, imperialism, militarism, and the alliance system were the key causes of World War I.
- Between 1914 and 1918, more than 30 countries declared war. The majority joined the Allies, which included the US, Serbia, Russia, France, Britain, Italy, and other nations.
- The Central Powers, which included Germany, Austria-Hungary, Bulgaria, and the Ottoman Empire, resisted them.
- Growing tensions and eventually the assassination of Archduke Franz Ferdinand of Austria sparked World War I, which raged across the western and eastern fronts of Europe for four years, from 1914 to 1918.
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