The first paragraph mainly tells us that ______. A. advertising improved the product quality B. advertising helped expand the goods distribution area C. the change of American economy was necessary D. producing and selling goods locally was the primary form of American economy
Advertisements helped to transform American values. They made Americans aware of such "problems" as halitosis (口臭) and strange smell of body. More seriously, they helped promote a shift from an emphasis on savings toward consumption. They also helped to shift from a culture mainly toward words to the one toward visual images.