Answer:
There are several elements.
To start, Roman religon was largely influenced by Greek religion and myths. This can be seen in the fact that many Roman deities are essentially adapted Greek deities. For example, Jupiter is the Roman equivalent to Zeus, and Mars is the Roman equivalent to Ares.
Another characteristic can be seen in architecture. Roman architecture took after Greek architecture in many ways, for example, in the use of columns, and in the type of geometric distributions in public facilities like temples or theaters.
Finally, societal attitudes towards issues such as philosophy, sexuality, and slavery, were also deeply influenced by Greek views.