In his lawsuit, Brown claimed that schools for black children were not equal to the white schools and black children could never go to a white school. His win in the Supreme Court overturned what doctrine?

1. Miranda vs. Arizona doctrine that detained suspects, must be informed of their constitutional right

2. Endo vs. United States doctrine that relocation was unconstitutional

3. Brown vs. Board of Education doctrine that schools must be integrated ,

4. Plessy vs. Ferguson doctrine of Separate but Equal