I believe the answer is: <span>The Northern European Plain and the Central Russian Upland
Both of these regions had a particularly low elevation, located near water source, and consist of soils that had good amount of Grass.
Because of this, these territories are a very good place to established commercial farming.
</span>
The most important of these were the tlatoani (rulers), warriors, nobility, and the high priests and priestesses. The lesser classes were composed of the free poor, slaves, servants, and the middle class. A succession of less than a dozen rulers carried the Aztec people through from obscurity to empire-builders.
Answer:
Berlin Conference
Explanation:
Berlin Conference of 1884–1885 Meeting at which the major European powers negotiated and formalized claims to territory in Africa; also called the Berlin West Africa Conference.
source: oxford reference
