Answer:
The overall cause of World War was the assassination of Archduke Franz Ferdinand. Nationalism was a great cause of World War one because of countries being greedy and not negotiating. ... Nationalist groups in Austria-Hungary and Serbia wanted independence.
Step-by-step explanation:
The overall cause of World War was the assassination of Archduke Franz Ferdinand. Nationalism was a great cause of World War one because of countries being greedy and not negotiating. ... Nationalist groups in Austria-Hungary and Serbia wanted independence.