You're right, but we're not talking about groups inside the country. Iran, for example, also has lots of progressive groups, but its still basically a dictators

You're right, but we're not talking about groups inside the country. Iran, for example, also has lots of progressive groups, but its still basically a dictatorship in nature. We are talking about the legal framework for the USA itself. This institutional entity was friendly to slavery and perpetrator of human exploitation at several levels. Despite several well intentioned attempts of constitutional and democratic reform with some success, the same nature remains in the 21st century because it was never completely changed.