Answer:
knowledge and technology of Rome
Step-by-step explanation:
The knowledge and Technology of Rome served as a cultural span between the fallen Roman Empire and future European generations.
This is evident in the fact that following the collapse of the roman empire after 1453. There were series of war that breaks the empire into many fragments.
Fortunately, knowledge and technology of Rome in the areas such as military, trade, architecture, and writing were all in use in the European continent, until the modern European generation.