They wouldn't really gain anything from killing, as a matter of fact it would be counter productive since people would gather against them because of it. They want total control over people and they want to break people physically and spiritually. Through torture they would eventually get the person to break and this would be good because they wouldn't be against the state anymore.
The lion is a predator of the giraffes
Of these options, the only one that was truly true of both the first and second industrial revolution is the "use of the assembly line" although the length of these lines varied.
People wanted more luxuries after the crusades was over, since this was a time of great pillaging in the Middle East, although the stated goal was to re-take the Holy Land from the Muslims.
