Answer:
Etruscan engineers most influence Roman.
Step-by-step explanation:
The Roman learned the techniques of building and engineering from the Etruscans. Etruscans known for their structures and city-states. Etruscans were famous for building roads, bridges, houses, and tomb. The Romans borrowed the cuniculus and the arch from Etruscans.
Temple of Jupiter Optimus Maximus is one of the Roman building influenced by the Etruscan architecture.