Which of the following is not an example of protectionism?
- Athe European Union (EU) requiring goods imported into member states to meet safety standards
- Bthe Pakistan government increasing the rate of goods and services tax, GST, on some exported goods from 2% to 5%
- Cthe Nigeria government banning the import of packaged sugar
- Dthe US imposing a 35% tariff on tyres imported from China