This document discusses several political philosophies and historical events: Conservatism sought to preserve traditional institutions like aristocracies, churches, and monarchies through limited change. Liberalism promoted individual freedom, economic freedom, and social equality with limited government. Nationalism is a shared identity and culture within a nation that can motivate political goals. The 1848 revolutions in Europe expressed nationalist sentiments, with revolts in places like France, Germany, and Italy demanding more autonomy. Liberal and conservative views can change over time depending on circumstances.