What helped lead to the rise of the advertisement industry in the 1920s?

The more these goods were advertised, the higher the demand they received. Increased demand meant more workers were needed, so more Americans were receiving wages. These were then reinvested into the economy through the buying of more goods, creating the cycle of consumerism that led to the economic boom of the 1920s.

Explanation:

what are the options?

the answer is a. apartheid.