if you haven't seen it worth watching and they're singing officer krupke right there officer krupke and what they with the jets were doing was parodying the attitude that they were now hearing on the streets so the one line goes society has played him a terrible trick he's sociologically sick they're not responsible for who they society is making them who they are it's systemic now blacks were more vulnerable to systemic change because their migration came later the second wave of the great migration the in 1924 congress cut off immigration from south and east europe. so there are no more --, italians, croats, poles coming in. the united states are just trickle. so these are the migration was being filled by people up from the south. there are vulnerable they were susceptible and they were used and lyndon johnson with the great society played this out. that was his trick. he said, we're now we have a whole lineup of social programs that we can offer you. medicaid food stamps. these all came in the early sixties. afdc, welfare, basically basically rates, rent, rental rates on your income