Explanation:

- The phrase "a dynamic campaign for political, social or religious change" can be encapsulated in a single word as one that captures a concerted effort to bring about significant transformation.

- Conflict: Involves a serious disagreement or argument, typically protracted and does not necessarily imply a dedicated campaign for change.

- War: Refers to a state of armed conflict between different countries or groups, focused on military engagements rather than a broader campaign for change.

- Mutiny: A rebellion against authority, especially by soldiers or sailors against their officers, not typically associated with political or social change campaigns.

- Crusade: ? Refers to an enthusiastic and energetic movement to support a cause, often for political, social, or religious change.