The Romans spoke Italian, Greek and Latin as it spread its empire.
No, the ancient Greeks did not speak Latin. Latin was the language of the Romans, while the ancient Greeks spoke Greek.
It was the Latin language
Ancient Romans spoke Latin (and Greek). They don't anymore; Latin is a 'dead' language. Modern Romans speak Italian mostly. "How" they speak is with their tongue, teeth, lips and cheeks ... just like we do. The Romans always spoke Italian.
The ancient Romans spoke Latin, which is a language, not a religion. The common religious ideas and practices of the time were variations of superstitious polytheism.
"Well, if Italians speak Italian and Greeks speak Greek, then ancient Romans spoke Roman!" Uhhm...not quite. I have no idea what the ancient Romans called their language, but we now call it Latin, not Roman.
Only those who had connections with the Romans after Rome took over Greece, and those who took employment with Romans.
For the very same reasons why we speak different languages today in order to communicate with each other.
Latin, which is what ancient Romans used to speak.
The ancient Romans spoke Latin, which is a language, not a religion. The common religious ideas and practices of the time were variations of superstitious polytheism.
Ancient Greece
Ancient Romans. No
The language of the ancient Romans was Latin. The educated Romans also spoke Greek.