Answer :
Final answer:
World War I as the first global war, its impact on citizens, its legacy, and the role of nationalism in the conflict.
Explanation:
World War I was considered the first global war due to the involvement of multiple nations in various continents. The impact on the average citizen was immense, leading to casualties, economic hardships, and changes in societal norms.
The legacy of World War I includes the redrawing of boundaries, the rise of new nations, the Treaty of Versailles, and the eventual emergence of the League of Nations.
Nationalism was a driving force in World War I as it fueled rivalries between nations, heightened militarization, and contributed to the escalation of tensions that led to the outbreak of the war.
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