How did the purchase of the Louisiana Territory affect westward expansion in the first half of the 1800s?
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2 points
It led to the establishment of the Old Spanish Trail.
It gave the United States control of many major waterways.
It allowed the government to establish reservations for American Indians.
It ended further European colonization in the Americas
It gave the United States control of many major waterways.
It ended further European colonization in the Americas.