What is "decades of disappointment" as referred to in African American History?:rolleyes:

http://www.nyupress.org/webchapters/0814731678intro.pdf

The thirty years or so between the collapse of Radical Reconstruction
in and the close of World War I were once simply labeled “The Dark


Ages of Recent American History” or “The Decades of Disappointment,”


for the increased violence and de facto racial segregation that has come to.......