The Ultimate Guide to Marijuana Use and Insurance for 2019 with Nick DiUlio, an analyst for insuranceQuotes.com. The past decade has been undeniably transformative for U.S. marijuana laws. Not since the era of Prohibition has the United States wrestled so broadly and intensely with the cultural, judicial, and economic implications of legalizing a formerly illegal substance. And while the push to reform state marijuana laws continues sweeping the country with unambiguous fervor a late-2018 Gallup poll showed 64 percent of Americans favor legalization many questions and complications remain.