But they make a lot (most) of their money outside of the USA, so why restrict them to doing the work only in the USA? That will not only start a trade war, but

But they make a lot (most) of their money outside of the USA, so why restrict them to doing the work only in the USA? That will not only start a trade war, but give an unfair advantage to foreign companies (like SAP) who can open up R&D offices in the USA, Germany, or wherever they want. America First is as old as the Great Depression years ago. They always fizzle out in the face of economic realities.