Answer: A tariff
Explanation: America buys goods from china to be brought over to the us
The EU is a political and economic union of 28 countries, which developed an internal single market through a standardised system of laws. Politically, these 28 countries are linked by the European Parliament, the European Commission, the Council of Europe and the European Council (the last two have similar names, but they have different functionalities). Economically, by the ECB - the European Central Bank. Monetarily, by the Eurozone and the currency EURO, which is present in 19/28 countries. Also, there's a Schengen area, where passports are abolished and you can travel freely, BUT not all the countries that are in the EU, are in Schengen area (ex. Romania, Bulgaria); and vice-versa: Norway is not in the EU, but is part of the Schengen area.
I hope I helped, I used to have a "map" of interactions of all these countries in different unions/institutions, but cannot find it. If you need one to help you understand the EU better, tell me and I'll intensively look for it!
Update: here's the map.
I would say that the best way to say it is that it is most concerned with the human: human rationality and search for pleasure and fulfillment, the way humans experience and find earthy pleasures and with the human psyche.
<span>Legal contracts provide incentives for people to exchange goods and services by allowing fair trade and consequences to come into effect if one party doesn't meet the legality of the contract. Both parties of the exchange are given guidelines to follow as well as the rewards and ramifications of certain actions </span>