Complex sentence: But when he discovers the treachery of the ruling class known as the Golds, Darrow is galvanized to action by his beloved wife Eo's sacrifice and put to use by the shadowy organization called the Sons of Ares.
Split into simpler sentences: But when he discovers the treachery of the ruling class known as the Golds. It has been 700 years since man had colonized other planets Darrow is galvanized to action by his beloved wife Eo's sacrifice and put to use by the shadowy organization called the Sons of Ares.