Frederick Douglass achieves his purpose through direct reader engagement.
In his speech 'What to the Slave Is the Fourth of July,' Frederick Douglass achieves his purpose of persuading the reader to see his point of view by repeating the word 'you' to directly relate to the reader. By using this direct address, Douglass engages the reader personally, making them more likely to empathize with his perspective on the topic of slavery and America's hypocrisy.
https://brainly.com/question/42950626