Yes, this is illegal.
no
Yes, it's their bathroom.
No. They were pretty open about personal views.
Of course it's not illegal in the US. There are 15 or 16 countries in Europe where it is illegal to deny the Holocaust in public.
It is not illegal. However, it will not get through, Customs will deny it.
Kansas
If a child needs to use the bathroom and makes this need clear to a teacher or administrator and this request is denied, this is abuse, and unlawful. If the child uses this request unreasonably in order to seek attention or simply to leave class, the problem becomes complicated. Those in authority need to balance their responses; it is safest to allow the child to go to the bathroom; you have no way of knowing how urgent and necessary the situation is, and to deny a child access to the bathroom is not a good thing to do.
The Equal Credit Opportunity Act made it illegal for creditors to deny credit based on marital status. This law prohibits discrimination on the basis of marital status, among other factors, in the extension of credit.
That will depend on State law in the state your accident occurred. However, the last three States I've lived in ( CO, NV & AZ ), will deny workmans comp and a settlement if you were determined to be on any illegal drug when you were injured.
An employer can't deny unemployment benefits; only your state's unemployment office and approve or deny unemployment benefits. It's up you state to determine if you are eligible to receive benefits.
If they violated their visa, it will probably be revoked.