How did the Japanese and Germans utilize the industry they claimed by conquest in wwII?

by VintageRudy

Did the annexators ship in their own talent to run the plants? are there anectdotes about seized tech that the occupier had no talent to figure out how to continue making <x> product? Were their banks that got seized that behaved differently due to occupation?

VintageRudy

Traditionally, conquest has paid off in commodities. I'm curious about how nations recently have been given other nation's industry through conquest have cleverly used it