How did the rise of nationalism influence the global community in the 20th century?

The rise of nationalism was one of the most important political phenomena of the 20th century. Nationalism is an ideology that is characterized by the promotion of the interests of a particular nation. Nationalism usually has as its goal self-determination.

In the 20th century, this ideology led to the independence of many nations. However, it also had a role in the rise of fascist governments such as those in Italy and Germany.

answer; ///i believe the correct answer is the empire state building;