Popular Sovereignty is your answer.
Hope this is helpful! Have a good one.
It would be 3. be offered legal representation
not the 2. because it protects the right to a public trial not private
The short answer is: "to a great extent". The entire plan of the Federalists was to create a strong central government instead of having many autonomous states. Of course this occasionally went against national unity in the sense that some people were opposed to this plan, but in general they favored unity.
A serf is an agricultural laborer bound to the land of the nobility they work for (part of feudalism). It has been used throughout many civilizations up until about the 20th century.