同样的情况，就一个国家整个工业与农业相互间的关系来说，它们彼此之间所处的地位愈接近，双方物资交流时所受到的障碍愈少，则共同发展的机会愈大。

• In like manner the entire manufacturing industry of a State in connection with its agricultural interest,and the latter in connection with the former,will prosper the more the nearer they are placed to one another,and the less they are interrupted in their mutual exchanges with one another.