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On any given day, hundreds of billions of dollars in currency are exchanged. Part of this comes as a result of trade. When goods and services are exchanged between countries, currency is exchanged as well. In other cases it is due to investors who buy and sell currency and bonds trying to capture profits. Behind these exchanges are multiple factors that can affect the value of currency such as the dollar.
The key idea behind globalization is the way the societies and economies of the world are becoming increasingly close and interlinked. This process of global integration is driven by a wide range of factors, from political and economic policy to technological advances and the simple movement of people and workers around the world.