none. the river is a boundary line for some of the states.
Mississippi
Missouri
i am not so sure about 1783, but i am sure that the river that became the western boundary of the united states as the result of the revoltionary war is the MISSISSIPPI RIVER.
The Ohio River is a tributary of the Mississippi and flows into it at the triple boundary of the states of Missouri, Illinois, and Kentucky.
The Mississippi River was an important boundary in the Louisiana Purchase. The United States paid about $15 million for the Louisiana territory, which only worked out to about 4 cents per acre.
The Mississippi River serves as the natural boundary between Mississippi and Louisiana.
The two rivers that partially form the eastern boundary of the United States are the Mississippi River and the St. Lawrence River. The Mississippi River flows southward from Minnesota to the Gulf of Mexico, serving as a significant boundary for several states. The St. Lawrence River, situated in the northeastern part of the country, forms part of the boundary between the United States and Canada.
The Mississippi River begins in Minnesota. It is a boundary for Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas and Mississippi. It is a boundary for Louisiana and then turns into Louisiana flowing through Louisiana to the Mississippi River Delta at the Gulf of Mexico.
The states of Iowa, Missouri, and Arkansas have their eastern borders on the Mississippi River. The Mississippi River borders seven other states.
Massachusetts, along with 25 other U.S. states, is east of the Mississippi River. This river is considered by many to mark the western boundary of the Eastern United States.
The Mississippi River forms the western boundary of the State of Illinois.