Final answer:
The statement is true. Historically, there has not been a single, official doctrine of the Atonement.
Step-by-step explanation:
The statement that there has not been a single, official doctrine of the Atonement historically is True. Historically, different Christian sects have held different beliefs and interpretations regarding the Atonement. For example, in the early days of Christianity, there were debates and disagreements among Christians about what Christ's message had really been and how his death on the cross was significant. These debates led to the development of various theories and interpretations of the Atonement, such as the ransom theory, satisfaction theory, and moral influence theory. Therefore, it can be concluded that there has not been a single, official doctrine of the Atonement historically.