Metal has always been the primary material used by civilizations to make weapons. The amount of metal possessed by a nation can greatly influence how a nation is viewed, feared, and respected by surrounding nations. Like you can just grab a piece of metal and bonk it on someones head and they would pass out-
Answer: Well, yes. They should make changes.
Sorry, I can only answer this part. It had been a while since I read the passage, so this is the only thing I can remember. Please go from there.