Due to Emancipation and Manumission in the Late Eighteenth Century

Due to emancipation and manumission in the late eighteenth century,

A) laws forbidding interracial marriage were overturned.
B) the free black population increased from a few thousand to tens of thousands.
C) race relations improved dramatically.
D) equal rights were granted by legislatures who believed that natural rights applied to all.
E) All of these are correct.