Answer:
Step-by-step explanation:
He construct the reference to "Emancipation Proclamation" which was signed on 1863,hundred years later too they are in the same postition that is slaves.
He speaks to get "Freedom from Slavery" in a pleasant way.
He asks American to get rid of racism so that every citizen can get a job based on his potential and live calm.
He asks for civil rights and economic rights so that every African can live like the Americans live.