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 />
Auto loans and house loans tended to grow to more heights, and tended to be easier to obtain, it was the up and coming thing of the time. So, consumers thought, hey??? why not?
Though I do not know the choices you have to choose from, this is the one I have known for a while. If you want to comment back to my comment with the choices you were given, I will gladly help if this comment didn't provide an answer available to you.