1) To warn European Powers not to get involved with the affairs of the Western Hemisphere. That the Western Hemisphere would not further be colonized by Europeans, and the U.S. would leave existing Colonies alone; not involved in their International affairs or wars.
2) President James Monroe wanted to make sure that Europe did not take Spain's colonies, as many were on the verge of their own independence. Prussia, Austria, and Russia had formed the Holy Alliance with the goal of defending monarchical government. It was a precaution really.
3) The United States was prosperous, as we no longer had to worry about wars, we could focus on trade to gain a better economy. Also the Europeans benefited from the fact that they could not stand another war and win, due to previous wars which had left them disorganized and slowly building back the economy.
hope this helps
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Answer:
main difference were that south side were more agricultural based and had slavery, while northern side were more industrial based
One reason: Plowing large areas of land
A few more reasons: poor farming practices, farmers would loosen up the soil, and the land was deforested, making it loose the roots that held the soil in place.
That the nazis would come back and finish them off