The Etruscans influenced the Romans in a number of ways. They introduced the Romans to the use of arches and vaults, which were used in the construction of Roman temples, bridges, and aqueducts. The Etruscans also developed a system of drainage and sanitation that was used in Roman cities. In addition, the Etruscans introduced the Romans to the art of divination, which was used to predict the future.
The Greeks influenced the Romans in a number of ways. The most significant Greek influence was in the area of art and literature. The Romans adopted many Greek artistic styles and forms, and many Roman writers were inspired by Greek literature. The Greeks also influenced Roman philosophy and religion. The Stoic philosophy, which emphasized the importance of duty and self-control, was very popular among Roman intellectuals. The Romans also adopted many Greek gods and goddesses, and they built temples to these gods.
Overall, it can be said that both the Etruscans and the Greeks had a major impact on Roman civilization. The Etruscans influenced the Romans in the areas of architecture, engineering, and divination, while the Greeks influenced the Romans in the areas of art, literature, philosophy, and religion.