Answer:
Natinalism
identification with one's own nation and support for its interests, especially to the exclusion or detriment of the interests of other nations.
"their nationalism is tempered by a desire to join the European Union
The British controlled Africa, but feelings of nationalism started by the pan Africa movement lead to more and more people in Africa wanting their independence. ... Nationalism lead to the Kenyans feeling that their land was taken unfairly. Eventually, conflict led to independence.