Final answer:
The earliest known traditional tool is called Oldowan and it dates from around 2.5 million years ago. These tools were likely created and used by Homo habilis and/or Paranthropus boisei in Africa.
Step-by-step explanation:
The earliest known traditional tool is called Oldowan and it dates from around 2.5 million years ago. The Oldowan tool industry is considered the oldest known stone tool industry and it is characterized by fairly crude and primitive tools. These tools were likely created and used by Homo habilis and/or Paranthropus boisei in Africa.