Some civilizations were a lot farther in technology to actually be able to become a empire and some also had a great amount of leadership
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Answer:
if you see the same thing in multiple books or sites that u trust then it is most likely true
Answer:
Yes the Louisiana Purchase was worth all the money spent because of the U.S. got a good trade route up the Mississippi River. Also, gave the U.S. more farmland. Lastly, doubled the size of the country. So The Louisiana Purchase was worth all the money spent