Law Homework Help

I’m trying to learn for my International Law class and I’m stuck. Can you help?

 attached below a contract signed under Switzerland law and The United Nations Convention on Contracts for the International Sale of Goods. assume that you are the seller’s lawyer, so they ask you these questions: 1- what are the seller’s obligations under the contracts 2- when these obligations would be finished. 3- what you would change in the contract to make it better in favoer to your cliant  4- explain what is The United Nations Convention on Contracts for the International Sale of Goods.