求翻译：　二战结束后的20世纪50、60年代是美国资本主义飞速发展的时期，黑人大规模涌进工人阶级队伍，这个时期的黑人运动由于其政治觉悟、文化素质的不断提高和团结战斗能力的增强，逐步发展为自觉的有组织、有领导、有策略的群众运动是什么意思？

After World War II the United States, the 1950s and 1960s is a period of rapid development of capitalism, a large-scale influx of black working class, this period of black consciousness movement because of their political, cultural, continuously improving the quality and unity of combat capabilities

After the end of World War 2, and 60 of the 50 s is a 20th century American capitalism in rapid development, the black mass influx during the working class, and the Black Movement this period because of their political consciousness, and cultural quality of the constant upgrading and strengthening o

　World War II ended the after for 20th century 50, the 60's is the US capitalism rapid development time, the black spills into the working class troop massively, this time black movement as a result of its political consciousness, the cultural quality unceasing enhancement and the unity fight abilit

　After World War II, 20th century, 60 were the United States during the rapid development of capitalism, black weapons poured into the working class, black movements in this period because of its political consciousness, cultural quality continues to improve and unite fighting ability increases, and

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