No clue to be honest with ya buddy
The answer is the paranoid personality disorder. This disorder is characterized by having tendencies to decipher other individual's actions as malicious, harmful and threatening. People suffering from this disorder are suspicious and have significant inability to give their trust to people around them.
Answer: They wrote them together, they sang them, they said them simultaneously, they recorded them ahead of time.
Explanation: I remember we did something like this.
The main purpose of propaganda is to spread ideas that are exclusive of political ideologies