e/Ex-slave repatriation

Information
has gloss	eng: Ex-slave repatriation or the immigration of African American, Caribbean, and Black British slaves to Africa occurred mainly during the late 18th century to mid 19th century. In the cases of Liberia and Sierra Leone both were established by former slaves who were repatriated to Africa within a 28 year period.
lexicalization	eng: Ex-slave repatriation
instance of	c/Repatriated slaves