The Trojan War developed out of rivalries, jealousies, possessiveness, abduction and bitterness. Cities, families, armies, navies and cultures were destroyed as a result of the manipulation of individuals by the Gods on whom they projected their psyches.
In 1811-12 Blake painted for Butts two images drawing on the Trojan War: one to represent the origin of the war, the other showing the turning point which led to its resolution. A post from 2010 titled GREEK INFLUENCE commented on Blake's Judgement of Paris which shows the incident which began the trouble.
Judgement of Paris
Milton, Plate i, (E 95) " Preface. The Stolen and Perverted Writings of Homer & Ovid: of Plato & Cicero. which all Men ought to contemn: are set up by artifice against the Sublime of the Bible. but when the New Age is at leisure to Pronounce; all will be set right: & those Grand Works of the more ancient & consciously & professedly Inspired Men, will hold their proper rank, & the Daughters of Memory shall become the Daughters of Inspiration. Shakspeare & Milton were both curbd by the general malady & infection from the silly Greek & Latin slaves of the Sword. Rouze up O Young Men of the New Age! set your foreheads against the ignorant Hirelings! For we have Hirelings in the Camp, the Court, & the University: who would if they could, for ever depress Mental & prolong Corporeal War. Painters! on you I call! Sculptors! Architects! Suffer not the fash[i]onable Fools to depress your powers by the prices they pretend to give for contemptible works or the expensive advertizing boasts that they make of such works; believe Christ & his Apostles that there is a Class of Men whose whole delight is in Destroying. We do not want either Greek or Roman Models if we are but just & true to our own Imaginations, those Worlds of Eternity in which we shall live for ever; in Jesus our Lord." Jerusalem, Plate 8, (E 151) "All the infant Loves & Graces were lost, for the mighty Hand Plate 9 Condens'd his Emanations into hard opake substances; And his infant thoughts & desires, into cold, dark, cliffs of death. His hammer of gold he siezd; and his anvil of adamant. He siez'd the bars of condens'd thoughts, to forge them: Into the sword of war: into the bow and arrow: Into the thundering cannon and into the murdering gun I saw the limbs form'd for exercise, contemn'd: & the beauty of Eternity, look'd upon as deformity & loveliness as a dry tree: I saw disease forming a Body of Death around the Lamb Of God, to destroy Jerusalem, & to devour the body of Albion By war and stratagem to win the labour of the husbandman: Awkwardness arm'd in steel: folly in a helmet of gold: Weakness with horns & talons: ignorance with a rav'ning beak! Every Emanative joy forbidden as a Crime: And the Emanations buried alive in the earth with pomp of religion: Inspiration deny'd; Genius forbidden by laws of punishment:"