C - Franks
Charlemagne was the ruler of the Frankish kingdom from 768-814. This gives you the answer that Charlemagne ruled only the Frankish kingdom, thus making all other answer choices incorrect.
Hope this helps!
Understand that, at the time they were drafting the constitution, that each of the states was significantly more genuine and capable than the youngster United States. This trade off spoke the truth what number of delegates every state would send to Congress.
Through appeasement, but eventually they would change their policy and make the right choice :)
To have as much government control and regulation to remain in power and make big decisions as a whole.