In the Missouri, compromise balance was maintained with the 36 degrees 30 minutes latitude. Which in effect proposed<span> that Maine would enter as a free state, Missouri would come in with slaves, but no slavery would be permitted in other states developed out of the Louisiana Purchase north of 36 degrees 30 minutes latitude, Missouri’s southern boundary</span>
Article V of the Articles of Confederation reflect representative government by granting to the states the right of having one vote and the opportunity to raise their voices in "determining questions in the United States" whenever the Congress assembles.
In short, states' rights, in this context, are the powers entitled to states rather than to the national unit alone, meaning that each state is sovereign and have jurisdiction over its affairs.