I don't have the proper answer and you might have to do research but America did gain much from the war such as Cuba, The Philipines, and Guam.
Answer:
The gap between limited resources and unlimited wants and needs.
Explanation:
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It was harsh. They had to work on the Manor. They couldn't leave the manor nor be forced off it. The person the serf is working for owes them protection and the serfs give labor and loyalty.