求翻译：19世纪末到20世纪初，美国约有1000万黑人，其中五分之四仍然生活在南方，大部分以农业为生。在城市里，他们也主要在矿山工作。当然，也有一小部分黑人中产阶级企业家和专业人士（professionals），通过做买卖和把产品卖给黑人社区捞了几桶金，社会地位有所上升。在这段时期，解放黑奴以来在南方初具雏形的种族歧视模式和种族肉体分离（physical separation）逐渐转化为法律认可的种族隔离和对黑人选举权的剥夺。究其深层原因，是这一时期美国政治和文化领域中种族主义思想的泛滥。黑人在新的环境下受到更致命的心灵伤害。是什么意思？

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Century 19 to the early 20th century, the United States there are about 10 million black people, of which 4 5 are still living in the south, mostly on agriculture for their livelihood. In the cities, they are mainly in mining. Of course, there is also a small black middle class entrepreneurs and s

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19 century to the beginning of the 20th century, United States approximately 10 million blacks, four-fifths of them are still living in the South, most live on agriculture. In the cities, they are mainly working in the mines. Of course, there are also a small number of black middle-class entrepreneu

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