Explanation:
Mass production is the manufacturing of large quantities of standardized products, often using assembly lines or automation technology.
Answer:
I believe it is "The labor demands of war industries caused millions more Americans to move--largely to the Atlantic, Pacific, and Gulf coasts where most defense plants located. "
Explanation:
Among the many children of the Six-Day War, the most frightening is international terrorism. Of course, terrorism, including Palestinian terrorism, predated 1967, but the war changed its scope, scale, and very nature.