How does Martin Luther King Jr's use of repetition link to and advance his argument?

Who were the commanding officers in the Battle of Antietam? Who was the first African American to perform a successful operation on the human heart? How much were chimney sweeps paid in the Victorian times? What is a sentence for salutary neglect? Who discovered oil in America? Why women could not vote in England in the 19th century? Who invented a hoist to raise materials up to the sky? What country is Liverpool fc in? How does Douglass show emotion in recounting the horrible sights he witnessed? Could a peasant in feudal japan move up in class? What are differences between karankawas and Comanches? Who argued that the Articles of Confederation were too weak and that the Constitution would solve the problem? Who were the famous leaders of the peoples who established empires in the Fertile Crescent? Where else could the atomic bombs been dropped? What is Nicolas Cage's height and weight? What war gave England control? What kinds of plants were traded on the silk road? You could have watched him work for hours however your family wanted to see the rest of the factory? What did the US spend Korean war money on? What is Patrick Henry's favorite color?