How has the rise of populist movements affected U.S. foreign policy and its participation in international institutions?

• A. Populism strengthens multilateral commitments.
• B. Populism reduces focus on alliances but maintains the status quo of IOs.
• C. Populism questions multilateral commitments and can push retrenchment, renegotiation of agreements, and reform of IOs.
• D. Populism has no impact.

Answer: (C)