What are the core principles of Liberalism and Conservatism?

Based on the reading in Cole Chapter 20 please respond to just one of the following questions.What are the core principles of Liberalism and Conservatism?Why did Marx think that capitalism had created its own gravediggers?In what ways did Romanticism and Nationalism challenge the rationalism of the Enlightenment?Link to the textbook: https://drive.google.com/open?id=1adoYdg2eIcij3GmVJVPyed5AFLV-v1eo You can only use chapter 20 from the textbook as your sources.