Why did Fascist politicians become popular in Europe after World War I, and what impact did Fascist politics have on World War II?

Fascist politicians:

The people who support fascism are the ones who support military power and are also in favour of getting the country ruled by a dictator. The fascists put the nation first as their most important priority and then the individuals of the country.

This became very famous in the world war 1 in Europe because the people in the countries of Europe thought that it was very important to have strength and superiority over other nations.

It was famous during the time period of second world war also where some favouring fascism were Hitler and Mussolini but it started to end after this period.