Why was the expansion of the United States during the administration of Thomas Jefferson such a significant moment in the history

Question:Why was the expansion of the United States during the administration of Thomas Jefferson such a significant moment in the history of the United States? You might want to think about both the positives and the negatives that may have resulted from the Louisiana Purchase and the Lewis and Clark expedition, as well as larger themes in American history that the expansion west accelerated.

(only the sources that are below can be used as evidence)

Sources:

1)Jefferson’s Vision for the West VideoLinks to an external site.

2)Louisiana Purchase Article

3)Lewis and Clark Article

Your response should clearly address the questions posed in the prompt. Your paper should be evidence based, using the sources provided in that unit.These sources must be acknowledged in your work using parenthetical references and by providing a complete list of sources used. (Your source list does not count for the assignment word count.) Please list sources alphabetically by author or title. Your response must be double spaced, use one inch margins, Times New Roman 12” font and have your full name at the top of the first page. Your response must be a minimum of 650 words and maximum of 800 words, this does not include your list of sources. To earn a passing grade, you must meet the word count and format requirements. Your response will be graded on how completely and accurately you respond to the prompt based on the provided rubric. When you upload your assignment it goes through the turnitin plagiarism check.