U.S. Economic Impact on Other Countries. Explain how economic conditions in the United States influences economies of other countries. When the U.S. economy is weak. (Select the best answer below) the demand by U.S customers for U.S. products declines, which reduces the amount of sales generated by foreign corporations. the demand by U.S customers for foreign products declines, which reduces the amount of sales generated by foreign corporations. the demand by foreign customers for foreign products declines, which reduces the amount of sales generated by U.S. corporations, the demand by foreign customers for U S products declines, which reduces the amount of sales generated by foreign corporations