Rome's involvement with the Nabataeans implies that a) Petra's strategic location led the Romans to use it as a trade center.
The Nabataeans were very gifted traders who established the trade city of Petra.
The Romans annexed this city to their empire because Petra was strategically located such that it facilitated trade between the East and the West which is where the Romans were.
In conclusion, option A is correct.
Find out more on trade in the Roman empire at https://brainly.com/question/8968809.
#SPJ1