Your answer would be the Chinese Cultural Revolution.
During that time, students could've joined the Red Guard, where they not only denounced their teachers, but also their friends and family. They also raided peoples' homes and took their belongings.
What you're seeing in the picture are three members of the red guard, which you can tell from their arm-bands.
The United States government functions under the principle of checks and balances. This means that each branch of government has a power that keeps the other branches from becoming too controlling. The branches are separate but equal.
