The map shows the Songhai Empire at its height. Based on the map, which statement best explains how location and environment influenced the growth of the Songhai Empire?

A controlled gold mines that were located along trade routes.
B It had an advantage in trade due to its access to the Atlantic Ocean.
C It benefited from mines, rivers, grassland, and other natural resources.
DIt was protected from invasion by the large Sahara desert to the north.