which statement best compares how globalization has impacted manufacturing workers in the US in China?

1. The number of manufacturing jobs has increased in both countries.
2. Many people in both countries left for manufacturing jobs to return to rural places.
3. The number of manufacturing jobs increased in the US and decreased in China.
4. The number of manufacturing jobs decreased in the US and increased in China.

4. The number of manufacturing jobs decreased in the US and increased in China.