Question

following the treaty of 1783 that ended the american revolution, the western - most boundary of the united states was set at the
a pacific ocean
b rocky mountains
c mississippi river
d appalachian mountain.

Explanation:

The Treaty of 1783 ended the American Revolutionary War. According to the treaty, the western boundary of the United States was set at the Mississippi River. The Pacific Ocean was far - west and not the boundary at that time. The Rocky Mountains were further west than the Mississippi River and not defined as the boundary in 1783. The Appalachian Mountains were more of an eastern - inland mountain range and not the western boundary.

Answer:

C. Mississippi River