Unit 3 Fairness for all教材背景链接I Have a DreamIn the summer of 1963 Martin Luther King , Jr gave a speech to thousands of black people who marched on Washington D . C
His speech—“I Have a Dream”—made him famous all over the world
,At that time in the southern states , blacks were not treated as equal citizens
Although slavery ended in the USA in 1865 ,almost a hundred years before , the South had its own laws to continue the separation of blacks and whites
Mixed race marriages were forbidden by law
There were separate sections for blacks in shops , restaurants , hospitals and on buses and trains
Often blacks were not allowed into hotels , schools or libraries at all
Black children were educated in separate schools , and black people had no right to vote in the southern states
King fought fo