The document discusses the World Trade Organization (WTO) and its impact on international contracts. It explains that the primary functions of the WTO are to negotiate agreements to reduce trade barriers and enforce commitments between member countries. It oversees agreements like GATT, GATS, and TRIPS. Key principles of the WTO include non-discrimination, reciprocity, transparency, and allowing tariffs as the only permissible form of protection. The document also discusses the European common market and competition law, international contracting law under Rome I, and the UN Convention on Contracts for the International Sale of Goods (CISG) which governs international sales contracts.