What is the central idea presented in the introduction to the way to rainy mountain

The correct answer for this question would be the last option. The central idea that is presented in the introduction to The Way to Rainy Mountain is that, the Kiowa people are connected to the land and their journey. The Way to Rainy Mountain is written by N. Scott Momaday wherein Momaday traces the ancestral roots back to the beginning of the Kiowa tribe.
 

The central idea that is presented to in the introduction to the way to rainy mountain is that the kiowa people are connected to the land and the language