sentences:  However, due to the moral panic against absinthe in Europe at that time, his murders were blamed solely on the influence of absinthe, leading to a petition to ban absinthe in Switzerland shortly after the murders.The petition received 82,000 signatures and absinthe was banned in Vaud shortly thereafter.A 1908 constitutional referendum led to absinthe being banned in all of Switzerland, and absinthe was banned in most European countries (and the United States) before the outbreak of World War I.