Question

What impact did the Kansas-Nebraska Act have on the old Missouri Compromise line that had been the border for slavery for so many years?

Answer 1

The line was made obsolete. The new arrangement was meant to be local voting on slavery in the new states of Nebraska and Kansas.

Step-by-step explanation:

Answer 2

It threw off the balance of power. The south now had 13 states and the north now had only 11.