A)the expansión of chania borders
According to President Abraham Lincoln's Reconstruction strategy, slavery had to be outlawed in every state.
Reconstruction, in American history, is the time period (1865–1877) that came immediately after the American Civil War and was devoted to attempting to address the injustices of slavery and its political, social, and economic legacies as well as the issues brought on by the readmission to the Union of the 11 states that had seceded at or before the start of the war.
Reconstruction, long characterized by many historians as a period when vengeful Radical Republicans imposed Black supremacy on the victorious Confederacy, has since the late 20th century come to be seen more warmly as an admirable example of interracial democracy. The political landscape of America underwent profound shifts during reconstruction.
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Answer: Prevent health hazard for the Germans.
Explanation:
The reason for the crematoriums was that the large number of dead bodies in mass graves around the area became a health hazard for the Germans working there.
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