Answer:
Violation of Fourteenth amendment
Step-by-step explanation:
The constitutional concept common to both Brown v Board of Education (1954) and Milliken v Bradley (1974) is the infringement of the Fourteenth Amendment, which guarantees freedom and equal rights and democratic freedoms to anyone born in the US.
The 14th amendment in an important constitutional provision which was adopted in 1868, gave citizenship to every person who was born in United states including the slaves