What must one do when a police vehicle, fire engine, ambulance, or other emergency vehicle using a siren, air horn, or a red or blue flashing light approaches is to, pull over to the right edge of the road, or as near to the right as possible, and stop when you see or hear an emergency vehicle approaching from any direction.
1:when it refers to "social experiment" I think it means either a slave improvement or a new set of lass for black's and white's.
2: well... it depends on how u look at it I mean yes segregtion still exist and in some cases is a real problem but our government tries to make it stop.