A: Focusing on one source of information
The toothbrush evolved over time and mainly out of necessity. Traces of the first toothbrush can be dated back as early as 3500 B.C.E. These bamboo sticks were then used just like a modern manual toothbrush to clean the teeth. Eventually, the Chinese version of the toothbrush made its way to Europe.
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Free enterprise system.
Explanation:
Business activities are free to do as they please, with little interference from government.
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he 1862 Homestead Act accelerated settlement of U.S. western territory by allowing any American, including freed slaves, to put in a claim
Explanation: Hope this helps :)
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when it marks the beginning of a distant historical period.
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