how to handle this..?

I have been a waitress for many years because i like it.Hubby makes well enough for the family.I do it for the hours and the ex-cash for myself.we have 7 mexicans resturants in our little town i went and applied at all of them just to see if i could get it all of them told me they hire no americans because we dont work hard like they do.I am angry,am i wrong to be mad...