He encouraged Panama to rebel against Colombia
Answer:
Favoring "Native-born" people as opposed to immigrants.
OR
The view that certain skills are "native" or hard-wired into the brain at birth.
Oliver Cromwell was succeeded by his eldest son Richard Cromwell. :D
They were not treated well, they were immigrants looking for a better life in the US and they worked for lower wages which took away jobs from people that had been in the US in many industrial cities