Answer:
The Louisiana Purchase
Explanation:
The purchase doubled the size of the United States, greatly strengthened the country materially and strategically, provided a powerful impetus to westward expansion, and confirmed the doctrine of implied powers of the federal Constitution.
To assist free black people in emigrating to Africa.
It was B.King Zoser
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Dendrochronology is a method of dating by using tree rings.
Always call the second word independence because the Americans for the second time had to fight Britain and their Indian allies
