> Cause free labor's the cornerstone of US economics The lyric is alluding to the fact that the country's foundation was built on 100s of years of free labor.

> Cause free labor's the cornerstone of US economics The lyric is alluding to the fact that the country's foundation was built on 100s of years of free labor. The practice of exporting worthless printed paper in exchange for valuable labor intensive goods is also what that lyric is pointing to. American slavery, a model that has evolved and now encompasses much of the globe. Keeping a large % of the world and "undesirable" domestic population poor, at gun point if necessary, is in America's national economic interest.