1. Manipulation and Flattery: Macbeth exploits the two murderers' loyalty and admiration for him. He praises their bravery and convinces them that killing Duncan is necessary for both his and their ambitions.
2. Appeal to Greed: Macbeth offers the murderers rewards and promises future promotion. He plays on their desires for material gain and status.
3. Guilt-Tripping: Macbeth manipulates their sense of honor and loyalty by implying that they would be cowards and unworthy of his trust if they refused to carry out the deed.
4. Exploiting Emotional Vulnerabilities: Macbeth takes advantage of the murderers' vulnerability and inner darkness. He taps into their hatred and willingness to commit violent acts under the surface.
Murder of Banquo:
1. Deception and False Information: Macbeth deceives the murderers by making them believe that Banquo and Fleance pose a danger to their own lives and families.
2. False Promises: Macbeth offers the murderers additional rewards and guarantees their continued favor and trust if they execute his plan.
3. Playing on Fear: Macbeth instils fear in the murderers by convincing them that Banquo's prophecies could lead to their downfall unless he and Fleance are eliminated.
4. Appealing to Their Sense of Duty: Macbeth presents the murder of Banquo as a service to the kingdom and as a chance to eliminate a traitor who threatens the stability of the realm.