Why do Men have Adams Apple ,, aumsum

Adams apple is basically a protruding chunk of thyroid cartilage that surrounds our larynx or voice box. It is more prominent in men because during puberty, the larynx tends to grow more in males, than it does in females, causing the cartilage to project outwards, thus creating Adams apple. Note that, this increase in size of larynx is what makes the mens voice deeper But, whats the need of deeper voices In a research, it was found that during prehistoric times males had to fight for females. So, d