Respuesta :
The practise of designating historical eras after the material that people used to make their tools or weapons—for instance, the stone age, the bronze age, and the atomic age—has been one of the least accurate. Because not all civilizations advanced at the same rate, some were in the atomic age while others were still in the stone age, making this designation problematic.
More about age:
Prehistory, Ancient History, the Middle Ages, the Modern Age, and the Contemporary Age are the five eras that make up history.
Prior to the development of writing, there was a period of human history known as prehistory. From the development of writing through the fall of the Roman Empire, there was ancient history.
The period between the fall of the Roman Empire and the discovery of the Americas is known as the middle ages. From the discovery of the Americas until the French Revolution, there was a period known as the modern age. The French Revolution until the current day are considered to be the contemporary age.
Learn more about ages here:
https://brainly.com/question/952353
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