<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be the "implementation of the English Bill of Rights," since this put "checks" on the monarchy especially when it came to taxation. </span></span>
The primary concern was related to the number of congressmen from free and slave states. If Missouri was admitted into the Union as a slave state, the congress would have more Southerners than Northerners in the congress which would be bad for slaves everywhere. Northerners therefore asked that if Missouri enters as a slave state, Maine has to be separated and enter as a free state.<span />
A. because it was a time when the war was happening and there was propaganda.
