If I remember correctly, 110,000 of them were taken from their homes and basically quarantined in detention camps because the Americans were afraid that there were spies among them and wanted to protect themselves. Hope this helps!
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.