I spent the summer of my freshman and sophomore year working in tobacco fields, and a good bit of fall/winter stripping tobacco. I'm old, but not THAT old, but in the late 90s a lot of the tobacco farming was dying off due to some government stuff, but the few farms that still did it solely used migrant labor. I was paid 5 bucks an hour, adn these migrants were paid 2.
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I know this is a bit of an anecdote that might not mean much, but I think that's what happened for 20+ years, a lot of the farming was killed off in the US, and what wasn't killed by design was all replaced by immigrants. I'm not sure if it will ever return to what it was, but I do think a lot of it is perfect work for kids, and good stuff for folks on welfare to make a few bucks to feel like they aren't useless pieces of shit. The left seems like they look down on this sort of work, when they really shouldn't. Farm work is very rewarding and lets you feel like you are part of the system that feeds us.