The correct answer to this open question is the following.
The lines in the excerpt from the play that support April’s claim are:
"And, if I fall not in my deep intent, Clarence hath not another day to live: Which done, God take King Edward to his mercy, And leave the world for me to bustle in! For then I'll marry Warwick's youngest daughter."
He continues to say: "What though I kill'd her husband and her father? The readiest way to make the wench amends Is to become her husband and her father: The which will I; not all so much for love As for another secret close intent, By marrying her which I must reach unto. But yet I run before my horse to market: Clarence still breathes; Edward still lives and reigns: When they are gone, then must I count my gains."
"Richard III" is a play written by William Shakespeare in 1593. It's a tragedy that refers to the rise to power of King Richard III of England.
