The european union produces about 15% of the world's goods and services. The EU hosts only 6.9% of the world's population, but its trade with the rest of the world represents approximately 20% of world imports and exports. Approximately 62% of total trade is between the EU countries, it is one of the three main world trade powers. The other two are the United States and China.
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Emperor Justinian reconquered many former territories of the Western Roman Empire, including Italy, Dalmatia, Africa, and southern Hispania.
