The theory of international trade was developed in the nineteenth century - an era of relative tranquility, surprisingly lacking in national rivalries, which accepted as axiomatic the view that the primary economic goal was to enhance the material well-being of the individual consumer.
Schlesinger, James R.
"International Trade and Economic Relations,"
Naval War College Review: Vol. 11:
3, Article 3.
Available at: https://digital-commons.usnwc.edu/nwc-review/vol11/iss3/3