An instruction of the Ministry of Internal Affairs to the Vali of Bassora of 1897 ordered that the children of liberated slaves be issued separate certificates of liberation to avoid both being enslaved themselves and separated from their parents . George Young , Second Secretary of the British Embassy in Constantinople , wrote in his '' Corpus of Ottoman Law '' , published in 1905 , that at time of writing the slave trade in the Empire was practiced only as contraband . The trade continued until World War I. Henry Morgenthau , Sr. , who served as the U.S. Ambassador in Constantinople from 1913 until 1916 , reported in his '' Ambassador Morgenthau 's Story '' that there were gangs that traded white slaves during those years . He also wrote that Armenian girls were sold as slaves during the Armenian Genocide of 1915
Armenian Genocide
Armenian Genocide
Slavery in the Ottoman Empire