One of our first large industrial combinations was that which in the early seventies absorbed the manufacturers of salt; yet the close of the Civil War found fifty competing companies making salt in the Saginaw Valley of Michigan.

我们最早的大型工业联合体之一是在 70 年代初期吸收了盐业制造商。然而内战结束后，在密歇根州的萨吉诺谷发现了 50 家相互竞争的制盐公司。