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During the period of World War 2 black on the one hand, and the United States economic, social, political, and other fields, more progress has been made on the one hand, and the Race Relations between whites and black-and-white ethnic tensions between the growing tension gradually rose to national i

World War II period, on the one hand the black American in domains and so on economy, society, politics obtains progresses greatly, on the other hand race relations with Caucasian's between then day by day anxious, the black and white race contradictory rises gradually from the topicality phenomenon

During World War II, United States blacks on the one hand made considerable progress in economic, social, political and other fields, on the other hand between the whites and race relations are increasingly tense, black and white racial conflict gradually rose to national issues from a regional phen

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