Only some blue collar jobs, specially union jobs in select industries provided that opportunity. It’s also worth noting that it was lower material standard of l

Only some blue collar jobs, specially union jobs in select industries provided that opportunity. It’s also worth noting that it was lower material standard of living than people generally enjoy today in the US. You’re referring to a slice of the whole pie globally, However the pie is much larger now. Every industrial nation other than the US was basically leveled in WWII so we had a huge slice from the jump.