timelets

When Pompey and Caesar took opposite sides, he said, ‘I know from whom I flee without knowing to whom to flee.’

http://www.perseus.tufts.edu/hopper/text?doc=Perseus%3Atext%3A2008.01.0193%3Achapter%3D90%3Asection%3D14

Given the huge size of the empire, factors of distance and time determined how closely central government could control the diplomatic activities of its governors on the frontiers.
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Yet this was not the norm.
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Sea travel was largely seasonal and often dangerous. Probably more important, it was highly unpredictable.42 A death sentence from Caligula in Rome for the governor of Syria was three months en route, arriving twenty-seven days after news of the emperor’s death.
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The relative reliability of land communication was the preferred option. Augustus is said to have introduced a system of runners (Suet. Aug. 49), but if it was ever implemented it was soon abandoned. The Principate relied on the imperial post (cursus publicus), a system where those with official authorization (diplomata) could requisition horses and vehicles from either private sources or official posting stations (mansiones).43 It has been estimated that the average speed of this system was about 50 miles a day, although for urgent messages it could have managed up to 160 miles a day.
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The sometimes leisurely nature of diplomacy can be accounted for by the nature of ancient warfare. It was both seasonal, rarely being conducted in the winter, and slow-moving, ancient armies usually only moving at a speed of about 15 miles a day.46 There was often no need for diplomacy to hurry

--- Sabin, et al. The Cambridge History of Greek and Roman Warfare, V2.

...warfare between the Greek city-states was endemic. Yet from early on in its history Rome’s war-making was distinctive in character, not simply because it was so successful, but through its talent for consolidating success on a permanent basis, as defeated enemies were absorbed and turned into reliable allies.
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Comparatively early on, both Roman and Latin status had lost any real association with particular ethnic or even linguistic groups, and had become primarily legal distinctions. Over time, communities not granted such privileges could hope to gain them, progressing by stages from Latin rights to citizenship without the vote, and finally to full Roman citizenship.
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The most common obligation of all types of ally, including the Latins, was to supply Rome with men and resources in time of war. At least half of any Roman army invariably consisted of allied soldiers. In this way the defeated enemies of the past helped to win the wars of the present. Apart from confirming their loyalty to Rome in this way, the allied communities were also allowed a small, but significant, share in the profits of warfare.

--- Adrian Goldsworthy, Caesar: Life of a Colossus.

“Then the great moment came; the show began, and nobody had eyes or thoughts for anything else. This was the Romans’ opportunity: at a given signal all the able–bodied men burst through the crowd and seized the young women. Most of the girls were the prize of whoever got hold of them first, but a few conspicuously handsome ones had been previously marked down for leading senators, and these were brought to their houses by special gangs. ”

--- Titus Livy. “The Early History of Rome.”