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 />
The first president was C. George Washington.
Explanation:
It proved to be the key to deciphering Egyptian hieroglyphs mensing it opened an opportunity for the first time into ancient Egyptian history
I think the theory was global warming because the weather suddenly changed
