Nelson used to work in a factory that made auto parts until the company closed his location and opened a new factory in China. A press release from the company said that the company could save several million dollars per year by making the parts overseas and shipping them back to the United States.

Use the passage to answer the questions.
Which downside of free trade caused Nelson to lose his job?
A. importing
B. outsourcing
C. exhanging
D. exporting