Answer:
The most direct way nationalism caused World War I was through the assassination of Archduke Franz Ferdinand, who was the heir to the throne of the Austro-Hungarian Empire. Many oppressed Slavic groups in the Austro-Hungarian Empire wanted to form independent nation states. Soon enough, World War I broke out.
Explanation: Gas attack
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Cyprus
Johannes Gutenburg is the answer you're looking for.
Havana<span> harbour and I hope this helps. </span>
Answer:
It was the idea that government exists with consent of the governed that led the revolutionaries to break free of Britain
Everything else that uses steam, From the Cotton mills to the boats to the trains.