Question

How did nationalism help lead to war

Answer 1

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. ... Thus, nationalist movements broke out across the Slavic territories. Among the most militant nationalists were the Serbs

Step-by-step explanation:

Answer 2

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. ... This led, on July 23, 1914, to a series of unconditional demands sent to Serbia by the Austro-Hungarian empire in the form of an ultimatum.