Question

Why was Nationalism one of the main causes of World War I?

Answer 1

It created the desire for self-determination among the diverse ethnic populations.

Step-by-step explanation:

Answer 2

assassination of Archduke Franz

Step-by-step explanation:

Nationalist groups contributed to the weakening of the Ottoman Empire in eastern Europe, by seeking to throw off Muslim rule It was this pan-Slavic nationalism that inspired the assassination of Archduke Franz Ferdinand in Sarajevo in June 1914, an event that led directly to the outbreak of World War 1