Question

Why did so many people invest in the stock market in the 1920s?

Answer 1

D They could buy stocks "on the margin," so they needed less initial capital.

Step-by-step explanation:

Answer 2

Brokers began to give money to average Americans to buy stock "on the margin". This was the first use of credit in the United States. Essentially, Americans were borrowing money to try to gain more money than they borrowed from the stock market.