The correct answer for the question that is being presented above is this one: "within a few hundred miles of the coast." Most people in Brazil live within a few hundred miles of the coast. The location of the area made it the people to live a <span>few hundred miles of the coast</span>
Usually when parts of the area are grayed out it means the creator of the map doesn't want you too focus on that area.
The canary Islands is your answer
The Aztec Empire flourished between c. 1345 and 1521 CE and, at its greatest extent, covered most of northern Mesoamerica.....!!!!