I it changed the world in many ways. Firstly the speed of life was much faster as most things were not mane made but made in factories. secondly most people had city jobs with regular wages so this formed a middle class. Also people stayed home much less because of those jobs. Also there was much more pollution, this resulted because of factories. That also made the age of death usually lower. Lastly there was much more use of the clock ( before it was determined by the rising and falling of the sun ) because you got up and went home at specific times.