The Ohio River divides Indiana and Kentucky.
It is Orinoco River
ural river
The Connecticut river
river thames
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.
~Ohio River~
Columbia river
Ohio river
Missouri River
The river Seine