Multiple answer question Which explanations for the escalation into the Civil War best shows the position of the North?

1) The continuation of slavery was morally wrong and needed to be contained and eliminated.

2) Expansion of farming into new territories must allow the continuation of slave labor systems.

3)Federal laws governing economic policy should be strengthened over those of state and local policy.

4) Individual states have guaranteed rights to make economic policy as they see fit.

5)Slave labor was a necessary element to the economic success of farmers and must be protected.