Where is the dash placed

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

In keats's "ode to a nightingale," to which of the following methods does keats not turn in his attempt to reconnect imaginatively with the "melodious bird"? - poetry - white wine - opium - sparkling red wine

Which verb or verb phrase signals an inappropriate shift in mood. a) will you let b) should first change c) must attend d) will be served