Task 3 Watch the video “A Brief History of Customs” and answer the questions by one of the four options. https://rutube.ru/video/private/e4f2fccdb6b19942a140a9115bc7637b/?p=aE2yMNl-SHUYUzIvyv3VBw Questions:3. What was the purpose of duty in ancient customs systems? To charge a fee for trading privileges, To promote international trade, To protect the local market, To regulate exports