Eventually, the working of metals led to the invention of alloys such as bronze and brass . Human’s technological ascent began in earnest in what is called the Neolithic Period (“New Stone Age”). The invention of polished stone axes was a major advance that allowed forest clearance on a big scale to create farms. This use of polished stone axes elevated greatly within the Neolithic, but had been initially used within the previous Mesolithic in some areas corresponding to Ireland. Agriculture fed bigger populations, and the transition to sedentism allowed simultaneously raising extra kids, as infants now not wanted to…