Which of the following did the maya, aztec, and inca all have in common?
they all grew corn as their primary crop.
they all lived mostly in a mountainous region.
they all were united into an empire.
they all had contact with the spanish.

Brainliestttme : ) why was the launch of sputnik in 1957 important? -most in the u.s. had not thought the soviets were capable of producing satellite technology. - it made clear that the u.s. space program was dominant. - most in the soviet union had not thought the u.s. was capable of launching manned aircraft. - it established the fact that a more dangerous hydrogen bomb could be created.

What country was south vietnam resist a communist takeover before the united states stepped in? a. germany b. france c. britain d. japan

The original term of was descriptive of lower-class people who performed manual labor.