Which tribe did coronado encounter at quivira?

Quivirans (modern day Wichita)

Explanation:

Coronado wa s Spanish explorer that was hungry for wealth and glory. He was leading his army through the southern portions of North America in order to find gold. Some tribes he encountered were telling stories of a place called Quivira, where there was lot of gold. In order to find this place, Corornado took several natives with him to guide him to Quivira, and after long search, they reached the place. It was the home of the Quivirans, which later became known as Wichita. There was not gold though, not at all. The only thing that Coronado found were simple, agricultural villages, vast plains with very fertile soil, and lot of crops.

a and b!

dfroos means which is a and b

the award is named for an american naval historian and theorist, rear admiral alfred thayer mahan, united states navy who, through his writing, provided stimulus and guidance to those who share in the defense of the nation.