Free blacks in the north included all of the following except;

A - copperheads

b - descendants of free blacks

c - those given freedom by their slave masters

d-those that had immigrated from other countries

Free blacks in the north included all of the following except a) copperheads. Copperheads were first of, mostly white, and also represent a faction of Democrats from the northern part of the United States who completely opposed the Civil War. This is why this makes this option not possible out of all the answers.