The simple answers to that are (1) either get back on the track to real welfare reform, as started in the Contract With America, or (2) increase the incentives to use labor saving devices. We have the technological abilities to move in that direction.
The idea of changing the nature of our societies by bringing in peoples not particularly congenial to traditional American norms, is addressing a transient problem that affects some Americans, by permanently damaging the future of all of us.
Immigration is like fire. It is a dangerous servant, but a fearful master. While we can control it, it still affords possibilities for unwanted changes. When it controls us, as in the case of the present open border, we are in real trouble. (See Immigration & The American Future.)
William Flax