How can institutions be used to enforce cooperation between states?

How can institutions be used to enforce cooperation between states? How can institutions be used to overcome the Prisoner’s Dilemma? Explain how the number of actors, iteration, the importance of the future, and information contribute to successful cooperation. Briefly summarize causes of war at both the international and the domestic level. How can we make war less likely? In your paper, make sure to include a discussion of the costs of war, the credibility of commitments, and the divisibility of goods. How do rebels overcome the collective action problems? What strategies are the most successful and why? Briefly summarize the common causes of war between states and within states (between governments and rebel groups).