Andrew Jackson was known for his short temper and anger issues. He most likely had so many duels due to these problems
The definition of subsistence farming is "the farmers focus on growing food to feed themselves and their families.The typical subsistence farm has a range of crops and animals needed by the family to feed and clothe themselves during the year. Planting decisions are made principally with an eye toward what the family will need during the coming year, and secondarily toward market prices."
Answer: I only know that "A key need was land near rivers with soil." is one of the answers. Sorry...
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