Final answer:
Iago encourages Cassio to drink as part of his manipulative plan to disgrace him. Alcohol is often seen in literature as a provocateur that leads to adverse behavior.
Step-by-step explanation:
Iago encourages Cassio to drink alcohol because he has a plan to disgrace Cassio and cause him to act irresponsibly. Alcohol serves as a strategic tool for Iago to manipulate situations to his advantage. Iago encourages Cassio to drink as part of his manipulative plan to disgrace him. Alcohol is often seen in literature as a provocateur that leads to adverse behavior.
Throughout literature and history, alcohol has often been portrayed as a means of provocation that leads people to act out of character, lose their inhibitions, or behave in ways that can have negative consequences. Several texts present this concept in various contexts, highlighting its potential to alter perceptions and performance.