Our government has "been there, done that" and I have no doubt they would do it again purely for reasons of self preservation.
Here's what the government of the United States of America did to Japanese citizens in 1942 by use of executive order(s)..
Japanese American internment
Now we have..
Operation Garden Plot
Rex 84: FEMA's Blueprint for Martial Law in America
This page has further information & links Code-name Cable Splice,Operation Garden Plot and a history
Serious problems face us as our currency and economy weaken quickly..