Comment by throw0101a

> The US manufacturing capacity was a huge factor in winning WW2.

Not wrong, but the British were outproducing the Germans in many things (e.g., aircraft[1]) even before lend-lease was a thing.

[1] https://en.wikipedia.org/wiki/World_War_II_aircraft_producti...

The Nazis were really bad at running the economy:

* https://en.wikipedia.org/wiki/The_Wages_of_Destruction