Epidemics like smallpox often spread rapidly and wiped out entire native tribes. Why weren’t these diseases as fatal for the Spanish? A) The Spanish had vaccinations that made them completely immune to these diseases. B) The Spanish sent infected men back to Spain to contain the disease from spreading. C) The Spanish had doctors whose cures were more effective than native medicine men. D) The Spanish had developed antibodies over time that helped them resist these diseases. E) The Spanish avoided all contact with the villages that were infected by these diseases.