Why were the romans not necessarily original thinkers?

Romans reused a lot of studies from Greek architecture and philosophy. Most Roman god's have a direct opposite to Greek Culture.

Zeus=Jupiter
Poseidon=Neptune.

If you look at Greek architecture and then Roman architecture, they look nearly identical to the untrained eye.

The Greek empire rose and fell long before the time of the Roman's.

The nineteenth amendment changed voting rights as it allowed for women to vote nation wide