Final answer:
Superordinate goals should be achieved by all conflicting parties to successfully resolve a conflict, as this encourages collaboration and overcomes collective dilemmas. The correct option is C) All conflicting parties.
Step-by-step explanation:
To successfully resolve a conflict, superordinate goals should be achieved by all conflicting parties. The idea of superordinate goals is critical in the field of conflict resolution, suggesting that conflicting parties work together towards a shared goal that transcends their individual or group interests.
This approach promotes collaboration and can help to resolve collective dilemmas, where individual motivations may not align with the group's interests. In reaching these goals, each group has to move beyond their immediate desires and disagreements to focus on a larger outcome that benefits everyone involved.