Final answer:
Prehistory is the study of human existence before the invention of writing. It involves understanding human development through oral traditions, cave paintings, and archaeological artifacts.
Step-by-step explanation:
The subject of this question is History. Prehistory refers to the period of time before the invention of writing. It is the study of human existence and development before written records were created. During this time, humans relied on oral traditions, cave paintings, and archaeological artifacts to understand their past.