TRUE, the mosaics of Sepphoris are created by the traveling artisans from some other part of the Roman Empire.
<u>EXPLANATION:</u>
It is believed that the Sepphoris mosaics were created by the travelling artisans, since there was no general knowledge about the species that are not present in the Sepphoris region.
The artist travels from one part of the Rome Empire to other and gains knowledge about the species that are not present in the Sepphoris region. The figures of the animals that are created in the Sepphoris mosaics are not identified by all the people, since many of them are not aware of the species.
B. For military Purpose.
When it was first invented they planned on it only being for military use, not personal.
Any more details on the question I’m a bit confused.
The answer for the Blank slot is d