Well that would seem to make the rights in question not particularly inalienable. In fact if we're talking about the US slavery _is_ legal in certain contexts. So it's definitely not inalienable. Only in the context of voluntary agreements between private citizens.
This has nothing to do with the founding fathers. The Ancient Greeks talked about natural law. The UN passed the Universal Declaration of Human Rights. 193 countries have ratified at least parts of it.
Again, I beg you to at least read a paragraph or two off Wikipedia.
The specific term 'inalienable' is heavily associated with the founding of the US. The others are different things but not very different in substance, i.e. ultimately some guy claimed these are universal rights. Wikipedia is not going to make appeal to authority work any better as an argument, I'm afraid.
> Whereas recognition of the inherent dignity and of the equal and inalienable rights of all members of the human family is the foundation of freedom, justice and peace in the world...
Well that would seem to make the rights in question not particularly inalienable. In fact if we're talking about the US slavery _is_ legal in certain contexts. So it's definitely not inalienable. Only in the context of voluntary agreements between private citizens.