The US price level rises relative to foreign price levels. This is known as the Net export effect. Thus the correct answer is B.
Goods and services that are manufactured in one country but are provided to customers in another are referred to as Exporting. Exports and imports are the two components of international trade.
The demand curve slopes downward because local demand will decrease and individuals will purchase more international goods if local prices increase relative to overseas prices in the market reflecting the effect on export.
Therefore, option B is appropriate.
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