求翻译：运动的高峰是在1963年8月，金博士在华盛顿的林肯纪念馆前广场聚集了二十五万名群众，并发表他著名的演说《我有一个梦》，这次集会所产生的舆论压力，终于迫使国会在翌年通过民权法案，宣布种族隔离和歧视政策为非法，成为美国民权运动史的关键事件。是什么意思？

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Movement is the peak in August 1963, in Washington, D.C. , Dr. Kim of the Lincoln Memorial Plaza in front of 250,000 people gathered, and delivered his famous speech "I have a dream" to the rally from the pressure of public opinion, eventually forced through Parliament in the following year it was a

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The movement peak was in August, 1963, Dr. Jin the square gathered 250,000 populace in front of Washington's Lincoln memorial hall, and published him famous to speak in public "I To have a Dream", this lodge produced the public opinion pressure, will finally force Congress in the next year through t