The answer to this question is:
What made world war 2 a total war<span>"The war effort required American civilians to contribute"
Hoped This Helped, </span><span>Davidtbeardenov0i5p
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Production of more food--the system allowed for more food to be produced which fed the workers in an industrial economy.
The 'four-field system' rotates crops between the 4 fields no longer needing to keep one empty because one of the crops would replenish the field with nutrients while the others take nutrients away from the fields. <span />
