In 1912 and 1913,the Cities of Louisville and Baltimore Passed

In 1912 and 1913,the cities of Louisville and Baltimore passed laws which

A) divided the cities' residential section into black and white blocks,and barred members of one race from moving into the block designated for members of the other race.
B) effectively prohibited blacks from obtaining residences in the cities,resulting in a massive outmigration to the North and Lower South.
C) created public housing for poorer citizens in order to put an end to the congested,unsanitary tenements in which many residents,especially black ones,had previously lived.
D) stipulated that blacks could only live in certain designated areas of the city,whereas whites could live anywhere without restriction.