Conversation so far:
What is the significance of Act II of Finian's Rainbow?
Finian goes off again in search of his own rainbow, saying 'Maybe there's no pot of gold at the end of it, but there's a beautiful new world under it.‘
How does Act II of Finian's Rainbow open?
Act II of Finian's Rainbow, begins with the sharecroppers unpacking gifts to themselves from their new accounts. Sharon and Finian celebrate the end of class-distinction that comes with wealth.
What were some of the extravagant gifts the sharecroppers have bought themselves in Act II of Finian's Rainbow?

Question: what is something major that happens in Act II of the musical?
Self-contained rewrite: What is something major that happens in Act II of Finian's Rainbow?