What cultural element was common to all greek city-states?

Answer(true);

I’m guessing this is dan howell

The painting's perspective is directly linked to the architectural space of its location.

The options for this question is 
a.) a private building used for religious purposes
b.) a stadium used for athletic events, chariot racing, and acrobatics
c.) a central building surrounded by religious and governmental buildings
d.) an open space in a town used as a central gathering place or event