A group of protestors blocking the entrance to the campus administration building refuse to leave. when the police begin spraying them with tear gas, antonio gramsci would say that the police are practicing:

He would say that the Police are practicing: domination

In psychological term, domination refers to the act to establish a certain level of authority/control towards another people.

Domination is commonly used in order to make other people conform to a certain action that desired by the Dominator.