A new national fraternity of scholars with expertise in the arts, sciences, and law emerged as itinerant consultants to visionary rulers eager to make their city-states centers of cultural prestige and political propaganda.
The rulers were very ambitious about their city-states 
mnli hypothesis: The rulers were very ambitious about their city-states  premise: A new national fraternity of scholars with expertise in the arts, sciences, and law emerged as itinerant consultants to visionary rulers eager to make their city-states centers of cultural prestige and political propaganda.