In ancient Egypt, iron was known to be "the metal from heaven" . Iron was often used in tools, weapons, jewelry, and other fine items associating iron with power and royalty.
An sample advertisement could have been something along the lines of, "Treat yourself like a deity and drape yourself in the metal from heaven".
D) The war did not change the governments.
The Korean War broke out in 1950 and lasted for roughly three years. North Korea established the Communist-aligned Democratic People's Republic of Korea while South Korea settled into liberal democracy (after alternating periods of autocracy and democracy). Both claims to be the true and sole government of the whole of Korea and believes the border to be temporary.