Informative speeches should rely on multiple channels of communication

Advertising proved a social force by:

a) actually making people healthier; b) projecting a vision of a tasteless, colorless, odorless and sweatless world; c) promoting a society of leisure; d) changing expenditure patterns among consumers; e) all of the above

"If we improve the highway it will lead to urban sprawl" is an example of a slippery slope fallacy

Indicate whether the statement is true or false