Who is telling this story and how do you know

How did the growth of the middle class affect social reform during the industrial revolution?

What did palestinian leader mahmoud abbas promise after succeeding yasir arafat in 2004?

The american public did not truly take in the horror of adolf hitler's regime until years after the existence of concentration camps was first reported in american newspapers. partly this was the fault of the media, which did not give prominent placement to news of the holocaust. what other factors do you think contributed to the long delay in understanding the holocaust?