What international organizations is now responsible for developing and Maintaining the system of international trade rules and dealing with trade disputes?

The World Trade Organization (WTO) is the primary international organization responsible for developing and maintaining the system of international trade rules and addressing trade disputes. Established in 1995, the WTO facilitates trade negotiations, monitors trade policies, and provides a platform for resolving trade conflicts among member countries. Its goal is to ensure that trade flows as smoothly, predictably, and freely as possible.