Nteboheng Fotho Tue, 02/07/2017 - 13:08 You should find what you need about trade barriers, how they work and examples here:-http://www.s-cool.co.uk/a-level/economics/why-trade/revise-it/the-case-a...http://www.s-cool.co.uk/a-level/economics/why-trade/revise-it/the-case-f... Tabitha Farrant Tue, 02/07/2017 - 13:11