Answer:
Kennedy uses facts to compare U.S. economic growth with other industrialized nations, which show the U.S. is lagging; Nixon uses facts to compare the economic growth during this presidency to that during the previous one, which shows that the economy is improving.
Step-by-step explanation:
kennedy was beleiving during the time that amierca was at a stand stil not advancing,
whilst nixon said we were going strong.(which was in-correct)