The United States may have eliminated things such as colonialism and slavery, but racism and exploitation of people of minority groups, the poor and certain immigrant groups continue throughout the generations, and basic human rights for all people aren't even being met.
Historical human rights tend to favor the wealthy, whether it's America or globally, and as we have learned human rights cannot be universal in a world where the wealthy always comes up on top, and countries take certain groups of people and deem them inhuman. As I previously mentioned the future of human rights, depends on the ability to move past the notion that we blame and shame the poor, instead of getting to the root of our problems, shows how human rights still and always will favor the rich. Take the low-income African American community; especially single mothers are blamed