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I thank you, dear Sir, for the copy you have been so kind as to send to me of the letter to your constituents on the Missouri question. This momentous question, like a fire bell in the night, awakened and filled me with terror. I considered it at once as the death knell of the Union. it is hushed, indeed, for the moment. But this is a reprieve only, not a final sentence. A geographical line, coinciding with a marked principle, moral and political, once conceived and held up to the angry passions of men, will never be obliterated; and every new irritation will mark it deeper and deeper. Thomas Jefferson, letter, 1820The situation referenced by Jefferson led to:A) the creation of the 36-30 lineB) the election of president James monroeC) the transcontinental treaty with spainD) the Hartford convention

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