The most important part of the Industrial Revolution was because of the transport and the hygiene care. This was because people didn't clean or drink with any clean water.The transport system was also really bad because of the mud everywhere and no facilities.
The least common reason that most people forget was the coal this was all because of the factories that surrounded the houses and the land around the people living there. This could lead to many things, One might be lung cancer this can happen when you take in too much of a dangerous chemical from the air and it can transfer to your lungs.Another reason might be Profits from trade this was when money was invested in the factories.
