Free Trade Agreements (FTAs) Labor was a major topic of concern all through the many years of the USMCA negotiations, being a major reason for the agreement’s multiple revisions. This is for good reason. Free trade agreements (FTAs) have always been a source of contention for political parties and non-partisan labor advocates alike. In the U.S., labor advocates express particular concern with FTAs involving developing countries, claiming that the low wages and labor standards of