 Complete the following phrase:  In 29 BC, the Roman Senate ordered the closure of the doors to the Temple of Janus in the Roman Forum for the first time in over 200 years. Signifying that the Roman state was no longer at war, this act reportedly pleased Augustus, then in his 5th Consulship, more than all the other honours showered on him. But the closure could not have been less appropriate. As Dio himself points out, there were ongoing major operations against the Treveri in Gaul, and the Cantabri and Astures in Spain. Furthermore, the closure inaugurated nearly half a century of virtually incessant warfare, during which Augustus dramatically enlarged the Empire, annexing Egypt, Dalmatia, Pannonia, Noricum, and Raetia, expanding possessions in Africa, and completing the conquest of Hispania, but suffered a 