Exactly in right work state you have zero protection. Especially for all that. Because besides having a right to fire you, THEY DON'T HAVE TO LIST A REASON! So yes you can be fired even for protected class things. New manager comes in fires you due to skin color but you can't prove it. My personal experience got fired once for my religious views or lack of. Of course I was told by temp agency that is was due to not being "team player "

This was just day after I told the bosses brother that didn't believe in Jesus after he kept pushing religious shit on me all shift.