A diaspora (from Greek διασπορά, "scattering, dispersion") is a scattered population whose origin lies within a smaller geographic locale. Diaspora can also refer to the movement of the population from its original homeland. Diaspora has come to refer particularly to historical mass dispersions of an involuntary nature, such as the expulsion of Jews from Judea, the fleeing of Greeks after the fall of Constantinople, the African Trans-Atlantic slave trade, the southern Chinese or Hindus of South Asia during the coolie trade, the Irish during and after the Irish Famine, the displacement of Palestinians in the 20th century, the exile and deportation of Circassians, and the emigration of Anglo-Saxon warriors and their families after the Norman Conquest of England, many of whom found employment