"Right?" he agrees, grinning. "So they came in through Rho Ceta," he points out this route, "bribing the Komarrans with trade-related promises, I think. And of course it worked; all the Barrayarans had was swords and horses and primitive projectile weapons and the Cetagandans had atomics. But it didn't work nearly as well as they hoped. Through a combination of galactic aid, genius commanders, and raw bloody stubbornness, the Barrayarans threw them out after twenty years of occupation. And immediately conquered Komarr, because what else are you going to fucking do?"