Answer:
1. Decimate- to reduce the amount in blocks or sizeable amounts.
2. Sustenance- food and drink; necessary foods in order to stay alive.
3. City-states- the ancient power structures which were cities that were fortified into independent units of strength.
4. Aristocratic- being of nobility or of a privileged upper-class.
Step-by-step explanation:
1. The act of reducing or minimizing the number or size of any material or in general anything is known as decimation. It could also imply the very act of destruction of an item or any concerned thing.
2. Sustenance is the items like food and drinks that are primarily the main sources of one's survival. These items constitute the major and primary thing for an individual's survival.
3. City-states are those places of cities that were fortified and made into independent units. These ancient structures of fortified grounds are symbols of that particular state's strength and power.
4. Aristocracy is the social statues/ position of a particular group of people who are born of the nobility or in simple terms, the privilege upper class. These people normally have the advantage of holding or acquiring offices or titles based on their heritage/ from their inherited ancestors.