Kaltura Share to Google Classroom The Allstons, and the Manigaults, were prominent and wealthy plantation owners back in the 1800s. Grades: 3 4 5 6 7 8 9 10 11 12 Subjects: Social StudiesS.C. HistorySettlement in South CarolinaColonial Economy Collection: African American HistorySlavery in South CarolinaExplore South CarolinaAgricultureSouth Carolina CountiesGeorgetown Series: