Final answer:
The Oldowan tool tradition is the earliest known stone tool industry, created by Homo habilis around 2.6 million years ago. These tools were used for cutting, scraping, and chopping purposes.
Step-by-step explanation:
The earliest known tool tradition is called Oldowan. Oldowan tools were first created by Homo habilis around 2.6 million years ago. These tools were created by smashing rocks together to create crude sharpened edges, and they were used for cutting, scraping, and chopping purposes. Oldowan toolmaking represents a significant advancement in human engineering ability.