A Native American tribe in South Dakota collects bottle caps left by campers, using them as currency. Several banks in the area now recognize the caps as legal tender.
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There are two credit cards for every person in the United States.
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Teddy bears were named after U.S. President Theodore 'Teddy' Roosevelt.
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Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
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