In Brazil, prison inmates can reduce their sentence by 4 days (up to 48 days a year) for every book they read and write a report on.
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Oral sex was illegal in 18 states under old sodomy law until 2003 when they were invalidated.
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In Japan, gambling is illegal. However, they circumvent the law by giving out prizes instead of cash, which the winner can then sell back to the establishment for cash.
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In California, Maryland, Pennsylvania and Wisconsin, it's against the law to hold a "Ladies' Night" because it's deemed gender discrimination.
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