Which is not a commonly heard argument for protectionism?

Question

Quizplus · Accepted Answer

The other choices are commonly heard arguments for protectionism. A strong national defense is often cited as a reason to protect certain industries domestically, infant industries are often seen as needing protection to allow them to get established, and some argue that specialization can create vulnerability in the economy if certain industries become decimated due to foreign competition. However, the argument that other nations' economic growth leads to decreased imports is not typically used as a justification for protectionism.

Which Is Not a Commonly Heard Argument for Protectionism