This is the bipedal human ancestor who likely emerged from africa over 200,000 years ago. mental capability, combined with an erect body carriage that frees the forelimbs (arms) for manipulating objects, has allowed humans to make far greater use of tools than any other species.

Homo sapiens is a bipedal human ancestor who emerged from africa over 200,000 years ago.

Explanation:

Hi, the answer to this question is Homo sapiens.

The homo sapiens evolved in Africa, 200,000 years ago during a dramatic climate change.

They made and used stone made tools to survive during prehistoric times. They used these tools to hunt their own food.

They also had control over fire and developed the ability to interact with each other.  

These abilities were possible because hey had a bigger brain than other species of animals.

they made rome the dominant power in the mediterranean.

a stronger government