The British Museum tries to counter an ugly truth long captured in Western art. ... Objectively speaking, the “Slave Market” painting in question portrays a reality that has played out countless times over the centuries: African and Middle Eastern Muslims have long targeted European women—so much so as to have enslaved millions of them over the centuries. The Muslim demand for, in the words of one historian, “white-complexioned blondes, with straight hair and blue eyes,” traces back to the prophet of Islam, Muhammad, who enticed his followers to wage jihad against neighboring Byzantium by citing its blonde (“yellow”) women awaiting...