Sentence:  According to Homer, the Trojan war is, above all, an affair of the gods. It is about <WSD>"Eris</WSD>", a sister of the god of war Ares, and about "Eros", not directly named by Homer, but who in the figure of Aphrodite, the god of love, plays a central role on the side of the Trojans. <WSD>Eris</WSD> is the one who divides gods, mortals, and things from each other; Eros is the one who brings them together. 
Meaning of the word marked with <WSD> tags:  (Q140001) The goddess of discord and strife, whose apple of discord sparked events that eventually led to the Trojan War; "equated by Homer with Enyo (goddess of violent war) and identified with the Roman goddess Discordia";/  the same figure as principal deity of Discordianism, regarded as the goddess of disorder.