A good argument for it is that it created peace. It literally ended an almost 7 year war. A downside is that it created a line down the middle of the US which caused people to fear crossing it. Everyone stayed where they were and never explored.
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Answer:
The New England colonies were founded to escape religious persecution in England.
Answer:
The grass helped keep soil in the ground
Explanation:
The prairie grass spread roots in the earth/dirt and kept it in place and prevented soil/wind erosion. The removal of this grass and introduction of less effective cash crops led to much more soil being eroded and picked up by the wind. This contributed to the dust bowl
The answers is Great Zimbabwe