The expansion of consumer credit in the 1950s, including the introduction of the first credit card, led to:

1. A significant and permanent decrease in the national debt levels
2. A culture of 'buy now, pay later' that fueled the economic boom
3. The sudden collapse of the entire American banking system
4. A return to the gold standard for all consumer transactions

Practice all 20 Post-War Boom and Suburbanisation questions