What groups already inhabited the areas explored by de Soto?

The Incas in Peru, the Mayans of Mexico, Native Americans, Indians in Florida

Explanation:

The Hernndo de Soto was a spanish explorer that was one of the early explorers to the Americas engaged in expeditions in Nicaragua, Yucatan Peninsula and Peru as well as being recognized for conducting the first expedition into North America, including Florida, Alabama, Mississippi and Georgia. Being the among the first Europeans to travel that far into native land afforded De Soto the privilege of being the first to come in contact with civilization, villages and culture of the natives in those lands

The expedition into North America was meant to search for both gold and a route to the Pacific coast or China.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.