Paul Fussell’s books on the North American class-system identifies that it is only possible to move 1-class-up per generation because children who grow-up among the next-class-up can be, work-in, live-in, & function-in, that 1-class-up culture.

I think he was using the coarse-grained working/middle/upper granularity, not the finer-grained lower-working, middle-working, upper-working, etc, levels…

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