How are the Games used to maintain control over the districts? Conversely, how are the Games used to keep the Capitol happy and content?. Hunger games.

In order to live so large, the denizens of the Capitol maintain a tight control over the slave-laborers in the Districts. They do this through force and propaganda, and of course through the annual Hunger Games ritual, which pits children against children in a massive, televised arena, in a fight to the death.