Gravity pulls things together just like how wen you throw a pencil gravity brings it down.
The Mesopotamian city-state of Ur had three main social classes: At the top of this ladder is the nobility; this class included the royal family, priests, and the richest people in society. The middle class, also referred to as commoners, included merchants, farmers, fisherman, artisans, teachers, etc.
For example a judicial civic duty is to voting.
Answer is B. Voting.
Wrong answer is A, C, and D.
You have to voting for under age of 18 years old.
Hopes it helped!
-Charlie
Have a great day!