The Ohio River divides Indiana and Kentucky.
ural river
It is Orinoco River
river thames
The Connecticut river
I'm not sure about this answer, so you should do the research. The answer is the Tiber River.
The Sabine river divides Texas and Louisiana. It was described as the line between the Old South and the new Southwest.
Columbia river
~Ohio River~
Ohio river
Missouri River
The river Seine