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- Jan 2016
What were the three major crops developed in the Americas? What impact did they have?
The three major crops were corn, beans and squash which all had nutritional needs that sustained the cities and civilizations.
The last global ice age trapped much of the world’s water in enormous continental glaciers. Twenty thousand years ago, ice sheets, some a mile thick, extended across North America as far south as modern-day Illinois and Ohio.
The ice age across North America left many people to panic on how they were going to survive these harsh temperatures. They had to find many ways to stay warm and finding food was tough because they would be trapped from going out in the cold.