Harry truman allowed for the use of Atomic bombs on Hiroshima and Nagasaki code named "little boy" and "fat man"
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The amount of energy it takes on peoples labor to physically carry water back to their village and worrying about evaportation in hot weather which makes water transportation party weather dependant.
Looking for a clean source of water in the first place is also a tough one.
I personally feel that most of the working citizens in America, today only work so they get payed and they have something to look forward to after they have retired from working their whole adult lives. It's nice to be treated every once in a while when you've done something great. It's even a possibility that a good hand full of people might even quit working just because they don't have something to look forward to. Maybe if they got payed more and put it away for a rainy day they might not complain, but there is always a chance.
The Powhatan Confederacy was a group of Native American tribes during the 17th century that settled in Virginia. Learn about how they rose in power under Powhatan, how they reacted to English colonists at Jamestown, and how they ended up in decline.
Frederick Taylor is known best for the concept of "management consultant" that improves efficiency in manufacturing. Before this consultants were almost non-existent.