I can at least tell you it isn't
The territory was divided into independent city-states. ( I got a zero.)
Nor the flat land, as I remember the Aztec farmed from "Floating gardens."
The Aztec traded everything. So, If it's supposed to fit all three of them, it's already out for that option. (And all of them traded.)
I think, It'd have to be the last option left then, Corn being an important crop. <u><em>It should be.</em></u>
Answer:
Drought in the Sahel in the 1970s and 1980s made it look like the desert was expanding, because the reduction of rainfall at the desert margin (the Sahel) caused a reduction in vegetation. Warm, moist air rises near the equator, then cools and condenses its moisture, which falls as rain or snow
Answer:
The government of the Philippines (Filipino: pamahalaan ng Pilipinas) is the national government of the Philippines. It is governed as unitary state under a presidential representative and democratic and a constitutional republic where the President functions as both the head of state and the head of government of the country within a pluriform multi-party system.
When there are not many sellers of a item the price of the item goes up because not many people have that item or sell it and the fewer the people that sell that item the more money the people make that have it and it makes it harder to get.