Why is it significant that this letter from Maria Perkins is the only record of her family's movement?

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the answer is

unalienable: means it belongs to you.inflation: a time when money loses its value.convention: a meeting of people organizations for a special purpose. george washington: president of the constitutional convention.patrick henry: refuse to attend the constitutional convention. virginia plan:   its congress favored the big states.new jersey plan: its congress favored the small states.new hampshire: its vote made the constitution legal. rhode island: did not sign the constitutiongeorge washington: the introduction of the constitution.

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