during which age was this army at its strongest and most active?
During the Archaic Age.
Spartan army
 By the beginning of the 7th century BC, Sparta was, along with Argos, the dominant power in the Peloponnese.
who played the hunchback in the movie 300 Ephialtes who composed the soundtrack for it? Tyler Bates any particular song which he composed on it? Remember Us and Returns a King who is the main character in the movie? Leonidas I is he based on a real-life character? Yes who? King Leonidas I what was the battle portrayed in the movie which he was a part of? Battle of Thermopylae when did this battle take place? in August or September 480 BC what was the role of the hunchback previously mentioned, in this battle? A  small force led by Leonidas blocked the only road by which the massive Persian army could pass. A local resident named Ephialtes betrayed the Greeks by revealing a small path used by shepherds. which is the greek army that is being mentioned here? The Spartan army
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Spartan army [SEP] Archaic Age and expansion
By the beginning of the 7th century BC, Sparta was, along with Argos, the dominant power in the Peloponnese.