Free trade raises our standard of living, not by adding jobs, but by increasing what Adam Smith called the division and specializationof labor, making jobs more productive.
They help the reader understand that the divisionof tasks leads to the greatest amount ofspecialization, and with specialization comes the greatest amount of production.
When individuals in other nations suffer the economic pain of inflation through declining investment, we too hurt for the natural expansion of the global divisionof labor that authors our economic specialization being halted to varying degrees.