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.

In order to maintain national security within its colonies in america, england constructed a series of forts along colonial boundaries for protection. true false

Select the correct answer from the drop-down menu.during the (scientific revolution, renaissance, industrial revolution), european intellectuals rejected many teachings of ancient scientists promoted by the church. to replace flawed theories, scientists began researching and conducting experiments. they used critical and reasonable thinking to draw concrete conclusions. this also led to the (scientific revolution, industrial revolution, enlightenment). it was an age that focused on using reason for understanding laws of nature and identifying humans' natural rights.

What were two theories put forth by marx?