Explanation:
Longitude systems going north-south, parallel to the Planet's rotational direction. As a result, the Sun would be at the same elevation for all locations in a path of longitude, i.e., it reaches local noon at same moment everywhere along the elevation. As a result, the local time is the same.
Answer:
I don't know if i'm too late with the answer but its: a strict system of social classes where elites ruled over commoners, a permanent place to hold ceremonies and rituals, and defensive structures, such as palisades, for villages.
Explanation: