Against the backdrop of renewed great power competition and an emerging multipolar world, it is crucial that the United States prioritize its engagement within multilateral institutions, including those in the United Nations system. As China looks to supplant the U.S.-led rules-based order, Washington should foster better relations with developing nations and emerging powers, particularly those in the Global South. Even as the U.S.-China rivalry intensifies, Washington should avoid putting countries in a position where they must make zero-sum choices. How can Washington do this?