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what caused the revolution of 1848 in europe
Some of the major contributing factors to the Revolutions of 1848 were widespread dissatisfaction with political leadership, demands for more participation in government and democracy, and more.
where were the revolutions of 1848 most important
The Revolutions of 1848 were most important in France, the Netherlands, the states of the German Confederation, Italy, and the Austrian Empire.

Question: what kind of revolutions
Self-contained rewrite: what kind of revolutions were the revolutions of 1848