Have you taken your once a day dose of Bayer Heroin, today? A bottle of Bayer's 'Heroin'. Between 1890 and 1910 heroin was sold as a non-addictive substitute for morphine. It was also used to treat children suffering with a strong cough.
Until the signs like these were common markers of legally enforced laws of racial segregation in America. Racial segregation in the United States as a general term, included physical separation and provision of separate facilities, services, and op