To complete the cause and effect table, we need to identify the correct cause that leads to the effect: "Companies began to prioritize advertising and use the services of professional advertising firms."
Among the provided responses, the appropriate cause is:
The new urban working population had more time and money to spend on shopping.
This cause explains why companies would prioritize advertising and seek professional services — to capture the attention of consumers who are more willing to spend money.
So the completed table would look like this:
| Cause | Effect | |-----------------------------------------------------------------------------------------------|----------------------------------------------------------| | The new urban working population had more time and money to spend on shopping. | Companies began to prioritize advertising and use the services of professional advertising firms. |