What does king allusion in his speech

Explanation:

Right at the start of the speech, MLK makes an allusion, or reference to history, recalling the Emancipation Proclamation (2.1). In historical texts as well as literature, specific references to other texts or events can help place the document in a larger context.

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populist movement, in u.s. history, politically oriented coalition of agrarian reformers in the middle west and south that advocated a wide range of economic and political legislation in the late 19th century. thus in 1892 their leaders organized the populist, or people's, party, and the farmers' alliances melted away.