In Act V, scene i of Romeo and Juliet , what role does the Apothecary play in the catastrophe?

The Apothecary sells Romeo a poison strong enough to kill him, despite knowing that selling it is illegal. Romeo takes it to the Capulet tomb and drinks it after finding Juliet apparently dead. The Apothecary does not deliver a letter, announce Juliet’s death, or accompany Romeo to the tomb.

AI-written and checked against the verified answer.