ANSWER!
Enlightenment philosophy and Great Awakening Christianity were very different, but both influenced the American colonies and American Revolution and both frame our thinking today. The Enlightenment — so named by its own practitioners, who didn’t lack self-esteem — is best thought of as a continuation of the Renaissance we read about in Chapter 2, with a strong emphasis on the Scientific Revolution, reason, and progress. Its practitioners adhered to the scientific method of testing hypotheses through rigorous, repeatable experimentation. Ancient Greeks, inventors of the first organized sporting events (the Olympics), also promoted hard-nosed, constructive debate and organized competition in law, politics, philosophy, and science.
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 />
Troubles with the existing Confederation of States finally convinced the Continental Congress, in February 1787, to call for a convention of delegates to meet in May in Philadelphia "to devise such further provisions as shall appear to them necessary to render the constitution of the Federal Government adequate to the ...
The National Reclamation Act funded irrigation projects in West America. So, as you can imagine - the most likely answer here is B! =)