Which formal government structure was created during the middle ages?

The government system of Fuedalism. Fuedalism was a series of military and legal customs which took rise in the middle ages

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.