Final answer:
The military advancement not traced to the Hundred Years War is the development of accurate and rapid-firing artillery pieces.
Step-by-step explanation:
The military advancement that is not traced to the Hundred Years War is the development of extremely accurate and rapid-firing artillery pieces.
This advancement occurred later in history and revolutionized warfare in World War I. Prior to this, the Hundred Years War introduced new weapons and tactics such as the use of the longbow, which rendered the cavalry-focused armies of the feudal era obsolete.