Simple...
The camps were liberated by Allied forces near the end of the war.
If you remember, this is known as the Holocaust. What the Nazi's did to the Jew was a violation of their human rights and will always go down in history as something to never be forgotten. The way they were treated is unspeakable, brash, cruel, despicable and once the world had found out what the Nazi's were doing; there was a huge uproar. May this never be forgotten.
<span>Lord Cornwallis took over command of British forces in the Southern colonies in 1780 :) hope this helps </span>
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The enactment of the Clean Air Act of 1970 (1970 CAA) resulted in a major shift in the federal government's role in air pollution control. This legislation authorized the development of comprehensive federal and state regulations to limit emissions from both stationary (industrial) sources and mobile sources.