Tension increasing from nationalism was the reason for territorial conflict, diplomatic disagreements, and economic rivalries between nations in Europe.
An important role in constructing tensions were imperialism, nationalistic pride, and mutual alliances led to the eruption of war. The distrust and rivalry sense increased among the European nations.
Thus, increasing tensions from nationalism were the reason for territorial conflict, diplomatic disagreements, and economic rivalries between nations in Europe.
Learn more about tension in European countries:
https://brainly.com/question/855384
#SPJ1
