I would say c (sorry if this is wrong ://)
Answer:
Own society
Explanation:
(This is just an example, feel free to edit :))
If I were to create my own society, I would assign a democracy. This way, the country would be relativly progressive compared to most countries. Citizens would participate in voting rights and wrongs. Of course, like any place, we would have flaws. However, through this democracy, people would be able to change it for the better. (sorry for spelling errors, I can't spell for the life of me lol)
The best example of notes from the supporting detail is B: Cuneiform helped the Sumerians keep track of what they owned. This note is a short summary of what the supporting detail is about, but it contains all the important details the reader needs in order to understand the information. In contrast, the other two answers are not good examples because they are too short, and they do not provide context about the text.