How did corn cultivation develop large civilizations in central and south america?

Since there are no answer choices. Here is my best answer :)

It gave the civilizations plenty of food because corn was easy to grow and plentiful. It could've been used for trade and currency. The abundance of corn helped the civilizations grow and develop.

Before cultivation era, civilizations were mostly hunter-gatherers or nomads. (Travelling from place to place.) Cultivation allowed the tribes to settle down to form a civilization.

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hi there!

question - in the 1900s there were two competing views about the environment that often pitted industrialist and conservationist against one another. how were these two competing views demonstrated by the environmental policies of president roosevelt and president taft?

theodore had a quicked tempered personality while president taft was shy and barely noticable.theodore had started a dealing service with big companies which president taft completed.both were into making sure workers were always safe.president taft took the presidency more serious than theodore did.both loved to save nature.

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