One of the most prosperous city-states of the Aegean coast was Pergamum, ruled since 264 b.c. by the Attalid dynasty.
Pergamum was a very poor city-state.
mnli hypothesis: Pergamum was a very poor city-state. premise: One of the most prosperous city-states of the Aegean coast was Pergamum, ruled since 264 b.c. by the Attalid dynasty.