What arguments did opponents of annexing foreign territories present

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

explanation:

how they should count slave votes (three-fifths compromise), the state representation in congress, and how much power should be given to our national government.