What effect did the Louisiana Purchase have on the United States in 1803 ?
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It had very little effect on the U.S. at the time.
It doubled the size of the U.S.
It is considered to be one of the most ineffective negotiations of it's time.
It allowed France to obtain more land on the continental US.
It doubled the size of the U.S.
The correct answer is: It doubled the size of the U.S.
The Louisiana Purchase, which took place in 1803, had a significant impact on the United States. It effectively doubled the size of the country, as the United States acquired approximately 828,000 square miles of territory from France. This acquisition included the entire Mississippi River basin and the port city of New Orleans. The purchase provided expanded opportunities for westward expansion, increased access to valuable resources, and ultimately contributed to the growth and development of the United States as a nation.