Answer :
Final answer:
Augustus' contributions to Rome included consolidating power, establishing services, and improving infrastructure, while regions like Gaul and Egypt were crucial for supplying grains to Rome.
Explanation:
Augustus, the Roman emperor, appointed a permanent official to oversee the purchase of grains for Rome during his reign. This move replaced the reliance on traders with taxation through salaried officials and improved stability in Rome.
Three lasting contributions of Augustus include the consolidation of Roman power, the establishment of a regular messenger service, and the development of a vast building program in Rome that provided jobs and prosperity.
Regions on the map that were vital for grain supply to Rome included Gaul, Spain, Sicily, Sardinia, Africa, and Egypt, highlighting the empire's dependence on various provinces for sustenance.
Learn more about Augustus, Roman Empire, Grain Supply here:
https://brainly.com/question/48283224