Why do you think someleaders called for african americans to beallowed to fight in the civil war?

this is the answer school will ask you for:

In the 1860s, the Copperheads, also known as Peace Democrats, were a faction of Democrats in the Northern United States of the Union who opposed the American Civil War and wanted an immediate peace settlement with the Confederates.

this is my opinion :

white ppl coudln't do anything without blacks so both sides knew black ppl were strong so they promised them freedom and payments so they could join them.

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b

the 9th amendment

explanation: