To what extent was the availability of credit the main cause of the “boom” of the 1920s? Explain why?

The development of credit in the 1920s is a significant contributing factor to the economic boom. The introduction of credit enabled consumers to buy goods they otherwise would not have been able to afford and therefore meant more sales for companies fuelling the boom

Following were the main causes of BOOM of the '20s~

the answer wold be b) travel among nations should be regulated by an international organization