Under international trade law, which statement most accurately describes the legal function of a negotiable Bill of Lading?

The World Trade Organization (WTO) emerged out of which of the following?

The principle of 'Most-Favoured-Nation' (MFN) treatment is enshrined in which Article of the General Agreement on Tariffs and Trade (GATT 1994)?

Which TWO of the following statements about a order bill of lading signed by Astor and Antonia in an international trade transaction are correct? 1. It is a non-negotiable bill. 2. Astor will need to endorse the bill and deliver it to the bank to be paid via a letter of credit. 3. The document is issued to shipper's order rather than a named consignee. 4. Pedro will need to show the document to obtain release of the goods from the ship.