Respuestas
Respuesta:1. The fire. Making and controlling fire was a before and after for human development. Thanks to fire, man was able to heat himself, generate light, cook, make small utensils and even defend himself from attacks.
2.The wheel. It dates back to 3,500 BC. in Mesopotamia. It facilitated transportation and mobility on a global and daily basis. But it also produced important developments in the field of industrialization.
3.The plow. It appeared more or less contemporaneous with the wheel and also in Mesopotamia. He changed the development of field work to open holes and move the earth. Without a doubt one of the most important inventions in history, since it allowed the evolution of agriculture.
4.Gunpowder. It was created in the 10th century and had a first military use, which changed the way of fighting wars. Later, it was applied to jobs such as mining, for which it was essential.
Explicación: