They are more commonly known as the bill of rights.
What to do with the Native Americans?
Thomas more and Niccole Machiavelli
Segregation had been considered constitutional under the lemma "separate but equal" during the Flessy vs. Ferguson case in 1896. The decision enacted by the US Supreme Court stated that the provision of rights guaranteed by the First Amendment to the US Constitution was secured for every US kid, as long as the educational facilities were equal in terms of quality, no matter whether white and black children were separated or not.
Fortunately, the decision subsequently reached in Brown v. Board of Education in 1954 overturned the previous convictions and decisions of the Supreme Court, arguing how separating children solely in terms of race would trigger feelings of inferiority and discrimination in US black kids ans this would, in turn, affect their school performance and hence, it declared segregation to be unconstitutional and urged schools to remove such system.