They contributed to World War 1 through the assassination of Archduke Franz Ferdinand. The Black Hand was part of a Pan-Slavist movement in which they wanted to unite territories of South Slave that had been annexed by Austria-Hungry. Hopefully this helps.
Answer:
The nationalism and patriotism of European nations, particularly the Great ... World War I. Nationalism is an intense form of patriotism or loyalty to one's country. ... of their home country, placing its interests above those of other nations.
Answer:
True
Explanation:
I recently studied this lol
Hope I helped. :)))