The Romans spoke Latin, which influenced later Romance languages.
Explanation:
Latin was originally a dialect spoken by the people who lived in the Lazio region (central Italy), it prevailed throughout Europe as the official language of the Roman Empire. With the fall of the Empire, the Latin language managed to resist its abandonment by other languages and the forms of vulgar Latin that were spoken in the provinces under Roman rule constituted the Romance languages.
The public goods means government goods and services because the market has failed and the market has not provided them. Sometimes the advantage of not allowing the market is our advantage.
In the case of the police, national defense and public educations, they argue some time that privately providing these services is less desirable for some reason.
Public goods are collectively consumed financial products such as highway, sanitation and school and national defenses service, police and fire protections.