Option C. The excerpt that shows Satanta's central ideas contributes to the statement that it is vital to the Kiowa tribe that they maintain their lifestyle.
Explanation:
Satanta, also known as White Bear was a Chief of the Kiowa tribe expresses in the lines shown in the question, that it is the prairies that him and his community thrive, were they can be free to roam. By stating this, he is conveying the notion that the Kiowa tribe needs to maintain their lifestyle in order to prosper.
Complete sentence. The comma is used the right way so it wouldnt be a comma splice, and if you replaced the comma with a period it would be wrong, so not a run on. That is why it is a complete sentence
