Which of the following explains why the Romance languages share similar features?

Responses

These languages have roots in various European languages, and they are spoken because of English and Spanish colonization.
These languages have roots in Arabic, and they are spoken in the regions influenced by the Arab merchant diaspora.
These languages have roots in Latin, and are spoken in the regions conquered by the Roman Empire.
These languages have roots in the Indian subcontinent, and they were influenced by trade between regions.

These languages have roots in Latin, and are spoken in the regions conquered by the Roman Empire.