![](https://www.historynet.com/wp-content/uploads/2017/05/SmallpoxSlaves_1.jpg)
National Parks Service/U.S. Dept. of Interior (National Parks Service/U.S. Dept. of Interior)
National Parks Service/U.S. Dept. of Interior
National Parks Service/U.S. Dept. of Interior (National Parks Service/U.S. Dept. of Interior)
National Parks Service/U.S. Dept. of Interior