Respuesta :

The nationalist movement that they had tried to institute in Poland was communism.

What is communism?

This is the type of system that is run by a socialist government. This allows the government to have too much control over the people.

This was what led to the Russian Polish war because the Russians had tried to take control of the area.

Read more on nationalist movements here:

https://brainly.com/question/1287645

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