Ancient Greek warfare enemy, making frontal assaults much more difficult. It also allowed a higher proportion of the soldiers to be actively engaged in combat at a given time (rather than just those in the front rank). The phalanx formed the core of ancient Greek militaries. Because hoplites were all protected by their own shield and others’ shields and spears, they were relatively safe as long as the formation didn't break. When advancing towards an enemy, the phalanx would break into a run that was sufficient to create momentum but not too much as to lose cohesion. The opposing sides would collide viciously,
Thracian warfare though this must not have been universal among them. The Triballi had adopted Celtic equipment. Another weapon, the sica was called "Thracian sword" (Ancient Greek,"Θρακικον ξίφος") though it did not originate from there, despite its popular usage (it was considered their national weapon). The sword's utmost origin was the Hallstatt culture and the Thracians may have adopted or inherited it. Greece affected Thracian warfare early on with the xiphos and other swords, Greek type greaves, breastplates, a variety of helmets and other equipment. During the Hellenistic period more Greek armaments were adopted. Seuthes had adopted a Greek tactic for a