B? I am not sure
I think this is what it is
Answer:
A bill is a proposed law under consideration by a legislature. A bill does not become law until it is passed by the legislature and, in most cases, approved by the executive
Explanation:
The Kansas-Nebraska Act allowed each territory to decide the issue of slavery on the basis of popular sovereignty. Kansas with slavery would violate the Missouri Compromise<span>, which had kept the Union from falling apart for the last thirty-four years.</span>