[Kon-Peki]

For professional jobs, it is very easy for a Mexican or Canadian to move to the US and work.

> The North American Free Trade Agreement (NAFTA) created special economic and trade relationships for the United States, Canada and Mexico. The TN nonimmigrant classification permits qualified Canadian and Mexican citizens to seek temporary entry into the United States to engage in business activities at a professional level.

> Among the types of professionals who are eligible to seek admission as TN nonimmigrants are accountants, engineers, lawyers, pharmacists, scientists, and teachers.

https://www.uscis.gov/working-in-the-united-states/temporary...