This is called "strict constructionism".
It means that the federal government should apply only what is written in the Constitution and in the way that it is written. There would be no searching for hidden meanings or anything similar.
Phil Graham cowrote President Reagan's economic plan. The said plan was made possible thanks to the Gramm-Latta Budget wherein he co-sponsored the funds needed in order to do it. Also, he increased military spending while cutting other costs as well.
I would say language diffusion