“Islam required that slaves should be treated kindly.”
“Islam improved the condition of women.”
My World History (Early Ages) p.462

Women and Slaves were abused and subjected to death as a consequence of Islamic Harems.

The omission of the truth of the Islamic Harem is only one example of the blatant whitewashing of the above textbook sentences.
(See also “Slaves” in other posts at this blogsite)