谁能用英文写一下美国黑人民权运动的起因啊，急！！！！！！！！

In March, 1963, person and so on golden pastor organized thedemonstration in the south racial segregation extremely seriousBirmingham, the request to cancel the entire city isolation system.The demonstration populace receive the brutal suppression, but becausegolden pastor's persisting is compelled with the US federal state tocarry on the intervention, this city racial segregation system iscompletely cancelled.

After Birmingham event, civil rights movement troop rapid expansion.On August 28, 1963 organized 250,000 people (1/4 for Caucasian) tomarch to Washington, the request employment, the request "was freeimmediately". Moreover, some cities blacks also develop to theviolence cope with the violence the struggle. In 1964 forced L.B.President Johnson has signed "Civil rights Law". But south ZhuZhoureng used each technique to prevent the black voter registration.Thereupon, the golden pastor and so on carries on the black voterregistration movement in