Considering that iron has always been more common than gold, I don't think they would have first found it during what we now call "the golden age." It was probably more useful and impressive to them during the dark ages.
Protective optimism <span>makes children believe that they will be good at anything they try to do.
Protective optimism is a form of parenting effort that aim to maintain the children's self-esteem. One positive aspect of this method is that it will prevent the children from being discouraged before even trying to do something</span>
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this is the answer
It's known as a neighborhood watch
(Sorry, I don't have any sources... I live in a neighborhood in which this tactic is employed, so that's my source, I guess)