Because serfs did everything for them, and without serfs they would have to do them themselves
Answer:
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What did the US get from the Louisiana Purchase?
The Louisiana Purchase (1803) was a land deal between the United States and France, in which the U.S. acquired approximately 827,000 square miles of land west of the Mississippi River for $15 million.
Explanation:hope this helped!
Guadalcanal.
That was the first biggest offensive.
I belive it is the civil war