A generation ago, civics classes used to be ubiquitous in public schools. Now, as more and more schools teach for standardized tests, the study of the government and the Constitution has fallen by the wayside.
Liberty is the chance to use our gift of life to its fullest advantage. Without basic liberties, mankind is held back from reaching its fullest potential. That is why liberty curtailing forms of government like Communism and Socialism are immoral, or at best, amoral.