Who would be most likely to contest USMCA? A U. S. labor union leader
A Mexican factory worker
A Canadian working in the oil industry
A Mexican politician

A U.S. Labor Union Leader

Explanation:

The most likely individual out of these choices to contest NAFTA would most likely be a U.S. labor union leader. Labor unions typically greatly oppose free trade agreements because they fear that the agreements will end jobs for unionized workers and instead jobs will be sent overseas to countries where there is increased trade and production due to the agreement.

U.S. labor union leader

Explanation:

For North Working americans, farmers, producers, and companies, the USMCA is a win-win situation. The agreement promotes more balanced, reciprocal trade, which supports high-paying employment in the United States and helps the North American economic growth and expand.

they both built pyramids.