The me-262's swept wing actually didn't contribute much to speed and was thought to just be a way to balance the CG of the massive engines
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The majority of Vietnam war conflicts were actually won by Americans, the war was lost on a technicality, because after the USA got north and south Vietnam to make a peace treaty and american troops where pulled out, north Vietnam invaded south Vietnam (very very dumbed down, I probably left a few detail's)
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Eminem is in his 50's