The original purpose of the Constitutional Convention was to revise the Articles of Confederation. However, it really turned into a debate on how America should be governed, resulting in the United States Constitution
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>
I'm not sure if any of your answers are correct answers to the question asked.
Cities were mostly developed on the Atlantic coast as 1. that is where they landed and 2. they would have port access to Europe still.
As time went on, the British government did limit the growth westward.
