Answer:
This is such a mess. But I will help you anyway.
Hernando de Soto
A Spanish explorer who explored La Florida because he heard it described as the land of gold.
Plateau
a flat area, often in a high place or on top of mountains.
Mission
a settlement created for the purpose of converting the natives in the Spanish colonies.
Missionarry
member of a religious group who goes out into the world to try to persuade others to convert (change their religion).
Santa Fe
the first permanent European colony in the north west