Counterfactual History: Counterfactual history examines the "what if" questions and explores alternative possibilities by imagining different outcomes of past events.
Butterfly Effect: The butterfly effect is a concept from chaos theory suggesting that small changes in initial conditions can lead to significant differences in later outcomes. In this context, it means that even small alterations in Chief Shaka's unification could have had far-reaching consequences.
Historical Contingency: Historical contingency refers to the idea that historical events are influenced by multiple factors, making them contingent upon specific circumstances and decisions.