The correct answer is C) a wide river dividing Texas and Oklahoma.
The option that best describes the Red River is "a wide river dividing Texas and Oklahoma."
The Red River is a natural division between the states of Texas and Oklahoma. It links the Mississippi River Valley with the Great Plains. It is 1,290 miles and always has served for transportation purposes. The Red River also identifies some rivalries between Oklahoma and Texas, such as the College Football rivalry between these two institutions. Their season game it is called "The Red River Rivalry."