They worked for the people who had slave owners or they were slaves themselves
To my mind the answer is Karma. according to those who believe in karma, this has implications beyond this life. Bad actions in a previous life can follow a person into their next life and cause bad effects. In other words, our past actions affect us, either positively or negatively, and our present actions will affect us in the future alike.
Buddhism is the religion which strongly believe in this force created by a person's actions called karma.
Dionysus is the wife of Hades.
Hope this helps!
Most of the worlds “imperial” countries were involved in the conflict.
Battle of Midway, because we destroyed most of the Japanese Navy, sinking four of their aircraft carriers along with lots of other ships. Japan would never recover from this, allowing the US to mostly dominate the Pacific with our Navy.