The warring nature of humanity makes the answer to this question perhaps just a little too obvious. Imagine yourself a warrior of any type, of any time. Your job, at a minimum, is to defend your people, be it against animals or other people. Your role is highly valued, as protection of your people is paramount. So what is one of the first uses of metals? The answer is armour and weaponry.
Copper, bronze, and iron had such a tremendous impact on society, driven in large part by advances in weaponry, that we have ages named for them. Today, metals, their alloys, and their composites, continue to shape the nature of weaponry and combat.
Metals and warfare – intricately connected. So metals are useful to warriors, but what are they useful to life guards? Find out in next week's post.