Answer :
Final answer:
Martin Luther King Jr. used the allusion to the Declaration of Independence to compare historic documents.
Explanation:
Martin Luther King Jr. uses the allusion to the Declaration of Independence in his 'Letter from Birmingham Jail' to compare two historic documents. By referencing the Declaration of Independence, King highlights the contradiction between the American ideals of freedom and equality and the unjust segregation policies being enforced at that time.
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