What political issues did each of the three democracies face after wotld war one

What was the effect of the industrial revolution on the working class ?

What evidence is there in this document that the policy was a good idea?

17 million negroes cannot do as you suggest qnd wait for the hearts of men to change. tjis we cannot do unless we persue aggressively goals which all other americans achieved ove 150 years ago. how might martin luther king jr. respond to this statement?