Answer:
The increase in cranial or cerebral capacity inherited from the primate ancestors is the characteristic that allows the creation and use of tools.
Step-by-step explanation:
The evolution of the human brain allows the creation of more complex tools.
Homo habilis was the first hominid to make tools. its size was similar to the australopithecus but its brain was twice with a cranial capacity of 650 cc. These tools were made of stone and were used by striking against each other.