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we don't know because we haven't read the text, make an educated guess and read the text carefully
1790s. Philadelphia carpenters conduct first strike in the building trades in the United States. Philadelphia has first local union in the United States organized to conduct collective bargaining.
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Public concern about illicit drug use built throughout the 1980s, largely due to media portrayals of people addicted to the smokeable form of cocaine dubbed “crack.” Soon after Ronald Reagan took office in 1981, his wife, Nancy Reagan, began a highly-publicized anti-drug campaign, coining the slogan "Just Say No."
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