What has changed in the economy of the ancient Indians with the development of iron?

With the development of iron, the work of cultivating the land, cutting down trees has become much easier. Axes, hoes, shovels appeared.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.