Why was the aropolis an important part of a city-state?

The acropolis was a crucial part of a city-state because it served as a fortified high point that provided protection from invasions and attacks. It was often the center of religious and political life, housing important temples and government buildings, which fostered a sense of community and identity among citizens. Additionally, the acropolis represented the cultural and architectural achievements of the society, reflecting its values and aspirations. Overall, it was both a physical and symbolic heart of the city-state.