Explain how nationalism created new boundaries in Europe between 1980 and 2013

As shown in the maps, the international boundaries in Europe changed considerably from 1980 to 2013.

Nationalism and super nationalism were to geographical processes that changed the number and function of those boundaries. It is about the breakup of the Soviet Union.

Explanation:

Some times people have a new idea that is thought to be out in the advance and then applied to the situation when it arises. Some times the situation occurs at it her place at another time, it appears to be intractable. From this process, the new idea gets squeezed out and it happens through the pressure of the circumstances.