Which branch has the power to make treaties with other countries?

Chief justice earl warren stated, “separate educational facilities are inherently unequal.” what did the use of “inherently” imply about segregation? 1/ by its very definition, it cannot be equal. 2/ it is an integral part of american society. 3/ based on its meaning, separation is a natural inclination. 4/ it was intended to be a state right, not a national mandate.