I'm pretty sure the answer is Malintzin. I'm sorry if I'm wrong but that seems to be a right to me. I hope this helps :)
The answer is C. the gold resources there acquired from ...
The First Dragoon Expedition of 1834 (also called the Dodge-Leavenworth Expedition) was an exploratory mission of the United States Army into the southwestern Great Plains the United States. It was the first official contact between the American government and the Southern Plains Indians.