Final answer:
The Roaring Twenties, a time of significant economic growth and innovation in the 1920's, marked the beginning of modern consumer culture and the widespread use of credit, including credit cards.
Step-by-step explanation:
The era that kicked off the consumption of mass produced goods, particularly credit cards, can be best referred to as The Roaring Twenties. This time period, which spanned the 1920's, was characterized by significant economic growth, and innovations in technology and infrastructure. This was the era in which modern consumer culture first really emerged, marked by the widespread use of credit and the increase in production and consumption of goods.
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