In his speech about registering to vote, dan explains the new legislation that allows voter registration to coincide with driver's license renewal. but he concludes the speech by stating that any person who is not registered should go by one of several locations that he has listed on the chalkboard to register in time for the next election. finally, dan reiterates: "everyone register to vote; it's your right and your duty as a citizen." what aspect of effective conclusions has dan utilized?