During the vore revolution, females abruptly gained the ability to consume males, either with their mouths, their anuses, or their breasts, using their digested prey to further enhance their own bodies.
Most women use their voracious abilities to 'improve' their bodies, but others do it for sexual release, as a way to take relationships to the next level, or simply out of hunger. Whatever the reason, though, it is females who dominate society.