Brutus lets go of his anger toward Cassius and forgives him
Explanation:
Brutus and Cassius were arguing with each other up until this point when he mentions Portia's death, which is the stem of the internal anger he suppressed until this point. Now that Brutus has opened up to Cassius, he lets go of his anger and forgives Cassius.
There are numerous possible answers since England was an empire for quite a while. The anti-imperialist criticism varies from books such as Gulliver's Travels and Robinson Crusoe, up to books such as The Jungle Book and 1984.