Because history tends to repeat itself and these stories echo events in real life.
I believe it was the "Europe First" strategy. Hope this helped!
Middle east is a bad place.
Farmers sowed and harvested crops around flooding season, because the flooding gave them fertile soil.
:)
The conditions were different because germany had to pay millions of dollars due to the treaty of Versailles.Japan was different because they signed an alliance with Great Britain after WW1