Review the details below. Spectators as well as participants in the Olympic Games were encouraged to interact with the citizens of other city-states. Wars between city-states were temporarily suspended during the Olympic Games, and athletes were allowed to travel to and from Olympia freely. The ancient Olympic Games gave leaders from different Greek city-states a rare opportunity to meet and discuss political and economic issues. Choose the best topic sentence to introduce a paragraph containing these details. The Olympic Games showcased the athletic achievements of citizens from across Greek city-states. The Olympic Games provided an opportunity to build unity and understanding among the Greek city-states. The primary purpose of the ancient Olympic Games was to pay homage to the Greek god Zeus , but eventually it became a major sporting event.