Which statement best describes the political structure of the ancient Mayas?

The Mayas developed city-states that were powerful but independent.

The Maya civilization included different groups unified under a single religion.

The Maya civilization was ruled by an emperor and had about four hundred tribute states.

The Mayas were ruled by representatives from different city-states.

Most historians would today agree on the fact that the Mayas a semi-independent/independent political structure where multiple city-states were coupled in either alliances or small-scale conflicts where these city-states could be powerful but also independent. They were at war with each other at time but it also wasn't necessarily the case.

The correct answer would be "The Mayas developed city-states that were powerful but independent".