What was the impact of the tariff policy of the early 1920s on the United States?
1) It made it easier for other nations to sell to the United States
2) It made it more difficult for other nations to sell to the United States
3) It made it easier for other nations to repay their war debts
4) It led Americans to cut back on loans and investments abroad
5) It had virtually no effect on the average American but significantly limited businesses