Philosophers have discussed not only how rights can conflict, but how they sometimes support one another. For example, Henry Shue has argued that both rights of security and rights of subsistence are “basic rights” because they are indispensable for the full enjoyment of all other rights—while other rights are non-basic because they are not indispensable for the enjoyment of these two. If the enjoyment or realization of a controversial right is an important precondition for the enjoyment of an u