Original sentence: None of these groups however are officically recognized as Black ny any census.These groups have historically been described as black in their societies, despite not having a historical or continual relationship with Africans
Edited sentence: Some of these practices may or may not be similar to African groups.These groups have historically been known as black people in their societies, despite not having a historical or continual relationship with Africans.They are united by common and unique cultural, behavioral, social, and customary practices