The Treaty of Paris ended the Revolutionary War and determined the American borders to be between

Mississippi River and the Atlantic Ocean

Explanation:

The treaty of Paris was signed by the representative of the United States along with King George III. At that time, these regions provided the colonists with enough space to obtain a wide variety of resources and a clear pathway to conduct international trading with other nations. (in Europe, Africa, and Asia)

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one of the major compromises in the constitutional convention was between the small states and big states. the small states wanted each state to have the same number of representatives in congress. the big states wanted representation based on population.