Complete the cause and effect table.
cause: (fill in)
effect: companies began to prioritize advertising and use the services of professional advertising firms.
a. consumers had more choices for goods to buy from more companies than ever before.
b. the new urban working population and more time and money to spend on shopping.
c. people became less interested in shopping because they struggled to meet their basic needs.
d. the population in the east coast cities was declining as people chose to move out west.