Answer:
They needed protection from the weather. In addition to making tools, fire and clothing, the first people developed the language.
Step-by-step explanation:
Among the things that the inhabitants of Africa needed to get out of there are: the tools they made with stones and sticks, they learned to make fire, they sought refuge, like caves to shelter, make clothes with the skins of the animals they killed, and learn to speak, not emitting sounds as they had done before.