Answer:
They allowed armies and news to move rapidly throughout the empire.
Step-by-step explanation:
The roads described are the roads of the Roman Empire, so that rules out the other options that we have, because Tenochtitlán was the capital of the Aztec Empire, and then the Inca wasn´t the first civilization to construct them, the roads in the Roman empire helped and allowed armies to move rapidly throught the entire empire as well as news to move along them.