The correct answer is - A. more accuracy in hunting.
The atlatl, or spear-thrower, has been a revolutionary invention of the pre-historic people, and it significantly improved the efficiency in hunting, but also, very importantly, it allowed the hunters to be at a safe distance from the dangerous pray, thus avoiding injuries and even death. The atlatl, was very useful because people were able to use long spears and thrown them over pretty long distances, the force was much greater, and the precision was improved.
