High Quality Content by WIKIPEDIA articles! A chain of events is a number of actions and their effects that are contiguous and linked together.A chain reaction is a chain of events where one or more events in the chain causes additional reaction in an earlier stage of the chain. It results in a self-amplification of the chain of events.Determinism is the philosophical proposition that every event, including human cognition and behaviour, decision and action, is causally determined by an unbroken chain of events. With numerous historical debates, many varieties and philosophical positions on the subject of determinism exist from traditions throughout the world.