answers: California
context: and confiscated a wagonload of cannabis. Other states followed with marijuana laws including: Wyoming (1915); Texas (1919); Iowa (1923); Nevada (1923); Oregon (1923); Washington (1923); Arkansas (1923); Nebraska (1927); Louisiana (1927); and Colorado (1929). One source of tensions in the western and southwestern states was the influx of Mexicans to the U.S. following the 1910 Mexican Revolution. Many Mexicans also smoked marijuana to relax after working in the fields. It was also seen as a cheaper alternative to alcohol, due to Prohibition (which went into effect nationally in 1920). Later in the 1920s, negative tensions grew between the small farms </s> Legal history of cannabis in the United States The legal history of cannabis in the United States pertains to the regulation of cannabis (legal term marijuana or marihuana) for medical, recreational, and industrial purposes in the United States. Increased restrictions and labeling of cannabis as a poison began in many states from 1906 onward, and outright prohibitions began in the 1920s. By the mid-1930s cannabis was regulated as a drug in every state, including 35 states that adopted the Uniform State Narcotic Drug Act. The first national regulation was the Marihuana Tax Act of 1937. Cannabis was officially outlawed for </s> any use (medical included) with the passage of the Controlled Substances Act (CSA) of 1970. Multiple efforts to reschedule cannabis under the CSA have failed, and the U.S. Supreme Court has ruled in "United States v. Oakland Cannabis Buyers' Cooperative" and "Gonzales v. Raich" that the federal government has a right to regulate and criminalize cannabis, even for medical purposes. Despite this, states and other jurisdictions have continued to implement policies that conflict with federal law, beginning with the passage of California's Proposition 215 in 1996. By 2016 a majority of states had legalized medical cannabis, and in 2012 the
question: what was the first us state to legalize weed