Unlike the South,the North Was Free of Segregationist Legislation

Unlike the South,the North was free of segregationist legislation,

A) which made integration a tangible reality for African Americans who had settled there.
B) but many laws were passed there that were identical to those in the South.
C) which made no difference at all for the experience of African Americans who had migrated from the South.
D) but many key business institutions adopted racially exclusive rules that placed limitations on African Americans.