11/15/1777 - Articles of Confederation written (ratified 3/1/1781)
9/11/1786 - US Constitution
5/27/1787 - Annapolis Convention
7/13/1787 - Northwest Ordinance
9/17/1787 - US Constitution
All fo these happened within a 10 year time period in American History.
It lowers costs because it encourages competition
<span>c. hunters, territorial, organized, social
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