Pls help. Medium of exchange are helpful for societies because they:

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.

February 1848 is when it was added. if that's what you were asking