求翻译：二战结束后，美国的黑人民权问题自重建时期以来第一次回到联邦层次的政治舞台。在新形势下，特别是黑人力量和意识迅猛增长的情况下，杜鲁门总统在1946年建立了“民权问题总统委员会”（President's Committee on Civil Rights)。是什么意思？

After World War II, the U.S. black civil rights issue since the first time since Reconstruction in the political arena back to the federal level. In the new situation, especially the rapid growth of the black power and consciousness in the case, President Truman in 1946 established a "Presidential C

After the end of the Second World War, the United States on the right to black people since the first time since reconstruction period federal levels to return to the political arena. Under the new situation, especially the black power and awareness of rapid growth, President Truman in 1946 establis

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After the second world war, United States gravity built of black civil rights issues during the first time since back to the political stage at the federal level. Under the new situation, in particular case of black power and the rapid growth of the consciousness, in 1946, President Truman establish

正在翻译，请等待...