1.the EU is the most open to developing countries, For instance, the EU imports more from developing countries than Canada, US and China 2.single market has helped the growth of Europe as it gives free trade between its members, this ensures quick arrival of goods without problems travelling through boarders 3.a single market has created a strong market and great opportunities for the members of EU. Both European and international consumers and investors enjoy the many benefits of a simplified system ?? in an area where people, goods, services and money can move freely. 4.One common language will sharply decrease the human cost of EU. Due to multilingual environment, the EU has to hire a large number of translators to translate. 5Also the trade global has more regulation and laws with export and import than in EU countries ‘single market’. So what are limitations to trade in global market?