Final answer:
The polis was called the framework of Greek life because it served as the political, social, and cultural unit of ancient Greek society.
Step-by-step explanation:
The polis was called the framework of Greek life because it served as the political, social, and cultural unit of ancient Greek society. The polis was a self-governing city-state that consisted of a city and its surrounding lands. It was in the polis that Greek citizens participated in political decision-making, gathered in the agora to discuss important matters, and engaged in cultural activities such as festivals and games.