"I was persuaded now that I was destined to lead a life on the Plains"

This quote by Buffalo Bill recommends that he was convinced that his life was implied to be spent on the Plains. This could imply that he felt a solid link to the land as well as the people that lived there, or that he was called to a higher function in the area. It might additionally suggest that he was determined to make a life for himself in the location, in spite of the obstacles and also difficulties that he would certainly deal with. Whatever the situation, it is clear that Buffalo Bill was established to make a life for himself on the Plains, which he was certain that he was destined to do so.