How did the Etruscans influence the Roman economy?

The Etruscans were in many ways the predecessors of the Romans. The Etruscans taught the Romans both engineering and building skills. They also decisively influenced the classical Roman architectural style. They also developed the economy of the city, for instance by draining the marshes adjacent to Rome.

Explanation:

a countries leader should be motivated by the common good of the country.

new evidence is discovered.

oversights and errors are corrected,

new technology is applied to evidence.