George W. Ellis

The Psychology of American Race Prejudice

Physical slavery was abolished and this era was followed by another more modified form of slavery, in which the white nations took control by force and violence of the colored races and reduced them to political subjection in Asia, Africa and a number of islands. The causes were still at bottom economic, supported by superior military power against political disunity and disintegration; yet, tempered by the development of humane sentiments, the growth of democracy and the progress of civilization.