What is the Two Minutes Hate throughout the novel?

The Two
Minutes of Hate is a daily exercise where members of the Party are required to hysterically
express their negative feelings towards enemies of the state, particularly towards Emmanuel
Goldstein and whichever army Oceania is currently fighting. Members of the Party pack tightly
into a room where images of Goldstein and the opposing army are displayed on a telescreen. The
Party members begin to shout, cry, and viciously scream at the enemies on the screen as they
work themeselves in a frenzy. The Two Minutes of Hate is the government's way of...