Why was it important for the south to ensure that the united states maintained a balance in the number of free states and slave states?

The continuation of the balance between slave and free states was important given the nature of the Congress and the balance of power between the competing sides in the issue. ... Compromises were needed to equalize the power between proslavery and antislavery interests in the government to keep the Union together.

what group of people depend on what yoy are talking i will still you once you tell me what group of people you are talking about : )

i think i know what group you are talking about so the brahmins

is there a year set? the question is incomplete