The correct answers are:
- It allowed them to develop future hunting plans;
The development of spoken language allowed the hunting groups of the Stone Age to be able to start and make plans about the hunting, how to improve it, creating tactics, making plans and assumptions about how and is it possible certain thing to be performed and the risks of it.
- It helped them work together during the hunt;
The development of the spoken language managed to make the hunting groups much more efficient in their team work, their communication, their diversions, their tactics.
