How did the practice of ghettoization the nazi’s ?

Brainliesttt !me : ) why were the eastern european countries attempting to break free of the soviet union?

Did the spanish settlers and missions have a positive effect on world history? why, what did they do that was positive? why was the treaty of paris (1763) good for the world/world history? did the plymouth colony have a positive effect on world history? why, what did they do that was positive?

Why are nation-states difficult to create?