The _______ were sea-faring people renowned for their glassware.

The sea-faring people renowned for their glassware were the **Phoenicians**. However, among the options you provided (Neo-Babylonians, Persians, Assyrians), none are specifically noted for their glassware or sea-faring activities like the Phoenicians. The closest answer in terms of trade and cultural exchange might be the **Persians**, but they are not primarily known for their sea-faring capabilities or glassware.

If the answer must be chosen from the given options, **Persians** would be the most appropriate, but it's important to note they are not the best fit for the specific description you provided.