Ohio
none of the rivers form the southern border of Indiana, but the Ohio river forms the southern border of Ohio.
The Ohio River creates the southern borders of Indiana, Illinois, and Ohio where it meets the Mississippi River.
Arkansas is located in the southern region of the United States and it borders Louisiana, Missouri, Oklahoma, and the Mississippi River.The US State of Arkansas is located north of Louisiana. It borders Oklahoma and Texas in the west, and Missouri to its north. Its eastern border is with Mississippi and Tennessee.
Northern: Kentucky and Virgina Eastern: North Carolina Southern: Georgia, Alabama, and Mississippi Western: Arkansas and Missouri
If you crossed the Mississippi River from Kentucky, you would be in the state of Missouri.
Ohio River
Yes, Missouri borders the Mississippi River to the east.
The Ohio River forms the borders of West Virginia, Ohio, Kentucky, Indiana, and Illinois. The border terminates at the confluence with the Mississippi and the border with Pennsylvania.
Oklahoma, Texas, Missouri, Louisiana, Mississippi, Tennessee,
The states of Iowa, Missouri, and Arkansas have their eastern borders on the Mississippi River. The Mississippi River borders seven other states.
The border is the Ohio River.