Why and how do Iranians become Slave in the Qajar era

Slave and slavery have been one of the most important social phenomena in Iranian history. Iran Qajar era was a slave society, along with a large number of non-Iranian slaves, some of the men and women and children were mostly rural and tribal Iranians who were taken different ways. The present research seeks to answer the question of why many Iranians were slave in Qajar period? The results of the research show that political instability, the weakness of social security and the economic problems (caused by internal and external causes) were the most important causes of the fall of Iranians into slavery. This research is descriptive-analytic, using historical and archival sources, by the library method and the social history approach.