What was an impediment to westward travel because of arkansas' location on the west side of the mississippi?

The impediment to the westward travel because of Arkansas’ location to the west side of the Mississippi was that the Indians were likely to be at the expense of the Europeans because of it, in which they are likely to be harmed.

the ansseer is going to be c i think

they were citizens but they could not vote and they did could not get involved into a political situation during that time.