Because they wanted everything to be equal, and that was why!
Im not sure what the options were but i looked up ur question and i believe that the answer is A Lasting middle east peace was achieved i hope this helped<span />
Answer:
True.
Explanation:
The Kansas-Nebraska Act was a law passed in 1854, which allowed the settlers who would occupy Louisiana to decide whether slavery would be used and legalized in that territory or not. This was a very controversial law, causing many disagreements between northerners and southerners, as it reinforced government irresponsibility towards slaves, being one of the influential factors of civil war.