Usa was a credit loaner in the 1920 with countries involved in what?

America was a credit loaner in the 1920 with countries involved in installment purchase.

Explanation:

1920s was the time economic boom because many businesses thrived during that time. Installment or buying on tick was the slogan in many European countries which was followed by America. But the onslaughts of it was felt later by the civilians in the American economy in the from great depression during 1930s. Buying on Credit in the 1920s lead to the Great Depression in the 1930s.

Discount sales encouraged the people to buy a large amount of goods. Increased incomes, along with the introduction of credit funded a huge increase in consumer spending. When British manufacturers saw how installment selling had boosted American business they introduced "buying on tick" to Great Britain. Consumerism was rampant.