Cruz was a Brazilian physician, scientist, and the founder of the Oswaldo Cruz Institute for research and development in biomedical sciences in Rio de Janeiro. As the Director General of Public Health, Cruz took strong measures to combat the bubonic plague, smallpox, and yellow fever in Brazil. He instituted sanitary reforms that included isolating the sick and exterminating the rat population in Rio. What happened when he tried to reinstate a law imposing mandatory smallpox vaccination? Discuss