- If Muslims aren't allowed to immigrate, then they won't be issued any legal work visas, so legal work visas don't solve anything here. - If Trump renegotiate

- If Muslims aren't allowed to immigrate, then they won't be issued any legal work visas, so legal work visas don't solve anything here. - If Trump renegotiates, or kills NAFTA, legal works visas of Canadians and Mexicans are affected (maybe even revoked). Saying "legal work visas" is meaningless in this context.