If the United States imports more than it exports, then this means that *

the U.S. dollar would be under pressure to appreciate against other currencies.

the supply of dollars is likely to exceed the demand in the foreign exchange market , ceteris paribus.

the demand for dollars is likely to exceed the supply in the foreign exchange market , ceteris paribus.

the demand for dollars is likely to exceed the supply in the foreign exchange market , ceteris paribus, and the U.S. dollar would be underpressure to appreciate against other currencies.