In that way, Chavez was very "America First". He wanted to protect the farm workers from illegal immigrants who would work cheaper and accept slave like labor conditions.
Cesar worked for and was trained by Saul Alinsky as a "community organizer" in Saul's Community Service Organization. Even a hard core communist could understand the threat illegal immigrants posed to our workforce.
Do you have a citation on him working with Alinsky?
I’m not sure what the Soviet Union’s policy on illegal immigration was. Other than a few defectors, I don’t think there was any demand among people to enter the Soviet Union. The Soviet Union and it’s bloc had the problem of keeping people in, not keeping people out.