Question

Why did Nationalism lead one country to join World War I?

Answer 1

The assassination of Archduke Franz Ferdinand was the trigger that set off the Great War. Franz Ferdinand was the heir to the throne of Austria-Hungary. He was assassinated on 28 June 1914 by terrorists from one of Austria-Hungary's rival powers, Serbia.

Step-by-step explanation:

this is what lead all countrys to join in

Answer 2

The Nationalism was basically a great cause of the World War one, the reason for this is because of countries being very greedy and not even negotiating ... The Nationalist groups in Austria - Hungray and including Serbia all wanted independence. However, France wanted Alsace Lorraine back from Germany who had lost in 1871 Franco - Prussian War.