in America people don't realize words have meanings, in Europe a Libertarian is a person who believes in ending capitalism and the oppressive systems that come from it, including the church. In America a Libertarian is a person who is a super conservative who thinks that somehow removing regulations and social programs will make everyone millionaires.
another example, Nationalism is the philosophy of the ideals of Edward Bellamy as explained in Looking Backwards. However almost everyone uses the definition of Nationalism as extreme love for one's country.
