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You read too much bullshit. The US is the second-largest manufacturer on the planet, after China. We have quite a lot of industry still. Nor was “rust bowl” ever a term, which you’d know if you were an American.
If Russian production is so plentiful, where are all the T-90s? Seems to me a major producer of materiel wouldn’t be needing to field its T-64’s in a modern conflict.
That’s a region. It’s also not what you said, you said rust bowl. You know bowls and belts are different things, right? Belts hold your pants up, bowls are dishes you eat food out of.