The balance of trade in goods and services demonstrates the persistent issue of global imbalances. China almost doubled its surplus from 2014 to 2015, and Germany has shown a growing trend with exports larger than imports. As the world trade is a closed system, export in one location triggers imports somewhere else.
The United States has experienced a prolonged period of higher imports than exports. This has raised questions regarding the means the USA can use to reduce or even to eliminate the difference. One of the solutions discussed is to increase protection, to give priority to products and services produced in the USA