The Iron Age on earth began in the 12th century BC. With the advent of iron, people gradually began to replace bronze and copper tools with iron ones. It was kind of a technological revolution. True, along with this, the ancient peoples also began to smelt weapons from this new metal, which served as the reason for the denouement of the military succession in the Ancient East.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.