Why do developing nations tend to be more heavily affected by pandemics than developed nations? . . A.Developing nations are una
ble to resist the social problems of plague. . . B. Developing nations lack the resources to control the spread of disease. . C. Developed nations place the burden of prevention on the developing nations. . D.Developed nations are able to use armies to block borders and prevent spreading..
Although American engineers borrowed their initial ideas and expertise from European countries, by the 1870s the United States began exporting their own experts to Japan.
