The assassination of the Archduke Franz Ferdinand of Austria in 1914 led to which of the following wars?

問題： The assassination of the Archduke Franz Ferdinand of Austria in 1914 led to which of the following wars?

選擇：The Crimean War
The First World War
The Civil War
The Second World War

正確答案：
2

解釋:

On 28 June 1914, Archduke Franz Ferdinand of Austria was assassinated. This set off a chain of events leading to the First World War (1914-18).