Toward the end of the 16th century and at its height, the empire comprised a landmass larger than western europe.
a. mali
b. ghana
c. songhai
d. almoravid

Toward the end of the 16th century and at its height, the "Songhai" Empire comprised a landmass larger than Western Europe, since this was the dominant trading a cultural center in the area. 

The native americans, spanish, french and americans all name places in our state. the word “arkansas” came from the quapaw indians, by way of early french explorers. at the time of the early french exploration, a tribe of indians, the quapaws, lived west of the mississippi and north of the arkansas river.