After the late 1960s, (a) interracial marriage was no longer illegal in the US, nor was (b) housing discrimination, or (c) school segregation. Please identify two specific improvements that occurred i

After the late 1960s, (a) interracial marriage was no longer illegal in the US, nor was (b) housing discrimination, or (c) school segregation. Please identify two specific improvements that occurred in any of those 3 areas from approximately 1970 to 2000, as well as two specific examples that attest to the persistence of racial segregation in any of the 3 areas.