Situational irony!
Because, she initially thought she was free from her husbands wrath. She celebrated and her heart was happy, this only to end with such a heartbreak that it kills her.
B. The observers up front were asked to sit down so that the ones in the back could see. When you are talking about people, you use sit, not set.
<span>According to Shaw, Higgins is the hero of the play</span>
They both are friends of Antonio and Bassanio . both salerio and solanio go to Belmont to tell Bassanio that Antonio is in debt and Shylock is going to take 1 pound of Antonio's flesh .