Identify the major GROUPS/NATIONALITIES that arrived at the Ellis Island(NY) and how were the immigrants TREATED as they arrived (inspection, detainment, etc.) in the late 1800’s to the early 1900 's.

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?