The Friends Of The Earth want to protect the environment. As you may know, repellents have been know to have negative effects on the environment, making FOTE wanting to voice their concerns.
I would say 1)Marcus supports his opinions with evidence from the text and 2)Marcus has brought the novel to use as a reference. Hope this helps
The excerpt suports the conclusion that Brutus is considering taking his own life.
In this scene, Brutus asks Volumnius to come closer to him, to tell him that he has seen Caesar's ghost two times at night, one at Sardis and the other at Philipi fields. He interpretes it as a message, and realizes that his time has come, since enemies have almost won. Eventually, he decides it is better to die by his own means that to let his enemies kill him.
"The Tempest" is considered a revenge tragedy. The usurpation of Prospero's dukedom from Antonio, his own beloved brother, is an indication of his distemper. Words that can create a tone of reproach and melancholy for the past are: "evil nature", falsehood", "perfidious" which are attributed to the dishonest brother. Miranda appears to live in a dream place where corruption and malevolence do not exist. However, Prospero's negative attitue towards Antonio expresses that there is evil in human nature and it can even come from close acquaintances and family.