Can u start an essay with a question or not?

What sentence correctly uses it’s underlined relative pronoun?

Read the excerpt below and answer the question. i ask, gentlemen, sir, what means this martial array, if its purpose be not to force us to submission? in this excerpt from his famous virginia convention speech, patrick henry employs which literary device? questiondeclarative statement

Around, blank character is one who changes and grows as a result of the conflict in the story.