The answer is: 4.advertising in Spanish on billboards
Advertising in spanish on billboards is an effort to target demographic in middle to lower economic power (since a large number of spanish speaking citizens in america are poor immigrants). They often used such billboards to promote a certain government officials or cheap products.
Answer:
Rural areas are often poor and lack the services, employment opportunities, and leisure activities that cities have. Teens often complain of boredom, and drug and alcohol use can be high.