They didn't take into consideration the tribes and their cultures and language boundaries. They just split the land as they wanted, so what happened was that tribes were mixed together or one tribe was separated into two different countries or anything similar like that occurred where disregard for culture was shown.
Na/K concentration in and out of the cell at the homeostatic level. It does this by pumping sodium and potassium ions in and out when it's needed of it in order to maintain the concentration of both ions stable across time.
