Of course, ISIS has no problem with slavery.
http://www.businessinsider.com/isis-is-offering-sex-slaves-to-the-winners-of-its-quran-memorization-contest-2015-6
Bill Clinton has already ordered the Rosetta Stone course and the Cliff Notes and the Koran-for-Dummies.
( I know, I should be praying for his repentance and the salvation of his soul...)