Final answer:
The gold standard versus a floating currency system and the potential impact of foreign cash-in on the U.S. economy.
Explanation:
The fundamental differences between a currency based on the gold standard and one allowed to float:
- Gold Standard: Currency's value tied to a specific amount of gold reserve.
- Float System: Currency's value determined by supply and demand in domestic and international markets.
If foreigners decided to 'cash in' their dollars today, the U.S. might face currency devaluation and potential economic instability.
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