The Etruscan´s showed them how to built archways and cuniculus. The archways looked like the outside of a tunnel. Cuniculus look like the inside of a tunnel.
Greek influence on Roman Religion, Art, or Writing
They showed them slave fighting and chariot racing. Slave fighting is where two slaves go into a arena and fight till there is a winner. The winner is beheaded. Chariot racing is multiple chariots racing.
The Greeks showed the Romans how to make there columns. It was the called the Greco-Roman times. The Romans liked the Greek columns and used them.
The Greeks also showed them there writing, arts, and there religion. Romans used the Greeks writing for modern archaeologists to discover. The Romans loves the art the Greeks did.