Intense feelings of pride among people of a nation-state and a belief that their concepts of law, citizenship, and government are the best in the world can lead to

Nationalism

Explanation:

An example of nationalism is during the time of Hitler. He gave pride to his people in Germany. And that led to the ideology of them being the superior race. He led to the idea that his way of thinking was the best way to go.

If that makes any sense.