Question

review the details below.

• wars between city - states were temporarily suspended during the olympic games, and athletes were allowed to travel to and from olympia freely.
• spectators as well as participants in the olympic games were encouraged to interact with the citizens of other city - states.
• 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 primary purpose of the ancient olympic games was to pay homage to the greek god zeus, but eventually it became a major sporting event.
the olympic games provided an opportunity to build unity and understanding among the greek city - states.

Explanation:

The details focus on war suspension for athlete travel, cross-city-state interaction between spectators/participants, and political/economic discussions by leaders—all centered on fostering unity and understanding across Greek city-states. The other options emphasize athletic achievements or religious origins, which are not the focus of the given details.

Answer:

The Olympic Games provided an opportunity to build unity and understanding among the Greek city-states.