求翻译：在其总统任内，美国爆发内战，史称南北战争。林肯废除了南方各州的奴隶制度，但南北戰爭之後北方有幾個支持聯邦政府的州卻仍被林肯允許可繼續保有奴隸制度。林肯击败了南方分离势力，维护了国家的统一是什么意思？

Its presidency, the U.S. civil war, known as the Civil War. Lincoln abolished slavery in southern states, but the North after the Civil War several states to support the federal government still Linken Yun permission to continue to retain slavery. Lincoln beat the South separation of forces and safe

In the United States during his presidential term, civil war broke out, and is known to history as the civil war. Lincoln abolished slavery the southern states of North and South, but it was after one of the north with several federal government support of the State, but they are still being Abraham

In its president the duration of term, US erupts the civil war, the history calls the Civil War.Lincoln abolished south various states slave system, after but Civil War north had several support federal state's state still to allow by Lincoln to be possible actually to continue to hold the slave sys

During its presidential term, United States civil war broke out, known to history as the civil war. Lincoln abolished slavery in the southern States, but several of North after the American Civil War 卻 supports the Federal Government's State still allows most by Lincoln to continue their retain Slav

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