A.P. Murray) 与杜博斯及其他人将相片及其他项目组合在一起，希望能展示出当20世纪开始时的非裔美国人情况。您认为这场展览会会在那儿举办？
W.E.B. Du Bois wanted the world to know the gains African Americans had made since the Civil War, as well as their plight as second-class citizens. In 1899, Daniel A.P. Murray, an African American researcher and historian at the Library of Congress, worked with Du Bois and others to put together pictures and other items to show the state of African Americans as the 20th century began. Where do you think this exhibition was shown?