The correct answer to this open question is the following.
What the people native to Georgia, the Creeks and the Cherokee, might have experienced by living next to the Chattahoochee and across the river from each other could have been a sense of neighbors relationship that included cooperation in some aspects and some differences that really did not affect their relationship.
The Cherokee lived in the Mountains of Northern Georgia and its capital city was New Echota. On the other hand, the Creek lived in Southern Georgia, in the coastal plains and the piedmont. Its capital city was Coweta, close to the river. The Chattahoochee River was the geographical feature that had in common.
