Correct answer only ! "i know that the acquisition of louisiana has been disapproved by some that the enlargement of our territory would endanger its the larger our association the less will it be shaken by local passions; and in any view is it not better that the opposite bank of the mississippi should be settled by our own brethren and children than by strangers of another family? "- thomas jefferson which of the following is not a reason jefferson decided to purchase the louisiana territory? a. would gain control of the port of new orleans and mississippi river b. the purchase aligned with his strict constructionist views. c. prevent a foreign nation from buying the territory d. it would double the size of the us

NOT a reason Jefferson decided to purchase the Louisiana Territory:  B. The purchase aligned with his strict constructionist views.

Explanation/context:

Jefferson was uncertain as to whether he had constitutional authority to accept the treaty.  Thomas Jefferson was a "strict constructionist."  In other words, he believed that we ought only do what is strictly outlined in the Constitution.  Loose constructionists, by contrast, believed that we are free to take an action if that action is not specifically prohibited by the Constitution.  Because of Jefferson's views on how to interpret and abide by the Constitution, it's no surprise that he had some hesitancy about proceeding with the Louisiana Purchase.  He thought the matter should be brought to the American people for them to approve a constitutional amendment.  However, others in government didn't view the matter the same way, and eventually the treaty was ratified.

The treaty, as negotiated by James Monroe and Robert Livingston on behalf of the USA, was announced on July 4, 1803.  The Senate ratified the treaty in October, 1803, after disregarding President Jefferson's draft for an amendment to the Constitution.

Ultimately, Jefferson was convinced by others in his administration.  In a statement he made at the time, Jefferson justified the purchase with this analogy:  "“It is the case of a guardian, investing the money of his ward in purchasing an important adjacent territory; and saying to him when of age, I did this for your good." 

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explanation:

the answer is a) the proclamation of 1763.