What was the significance of the mastery of fire in human life?

Any animal is afraid of fire, a person who came out of the animal world was also afraid of it. The first fire appeared in the parking lots of the people when the person overcame this fear. First, fire was used from forest fires after lightning strikes. Then man learned to make fire on his own by friction, carving.

Having mastered fire, a person could now heat his dwelling, cook fried food, illuminate the cave where he lived. Fire was also used to protect against ancient animals.

Also, with the help of fire, people of the Stone Age gave conditioned signals.