It means that your prospective employer reserves the right to terminate you, or NOT employ you, for ANY reason he sees fit, except those specifically spelled out in statute law or the Constitution.
no it wasn't i was just a secret code. No, the Underground Railroad was neither underground nor a railroad. It was called "underground" because slave owners could never find out how or when slaves...
Because it was a secret network to avoid slave catchers that would return the slaves to their owners (and any sympathetic white people caught helping escaped slaves would get in a lot of legal...