Love, courage, and sacrifice are the main themes of this poem.
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Answer:
They arrived because they wanted to warn John Proctor that their wives being arrested. ... He arrived to arrest Elizabeth Proctor and to search the house for any poppets. He is a warrant and is the person that arrests the accused.
More:
In Act Two, it becomes frighteningly apparent that the accusations of witchcraft have gotten out of control. Elizabeth Proctor tells John at the beginning of the act that "there be fourteen people in jail," but by the time that Mary Warren gets home at the end of the day, that number has increased to "thirty-nine." It becomes personal when Herrick and Cheever show up at the Proctor's door to arrest Elizabeth, on suspicion of sending her spirit out to stab Abigail in the stomach with a needle. So, Elizabeth Proctor is chained and put in a wagon with a lot of other women, to be taken to the jailhouse.
Francis Nurse and Giles Corey are also victims to the out-of-control accusations that are occuring; the same night that Elizabeth is arrested, their wives, Rebecca Nurse and Martha Corey are arrested too. Rebecca is arrested for the "supernatural murder of Goody Putnam's babies," and Martha Corey for supposedly bewitching a guy's pigs so that they keep dying. Francis and Giles go to Proctor, because they are seeking help--they want to find a way to get their wives freed. They had already gone to the jailhouse but they weren't allowed to see their wives, so they come to John's house, desperate to come up with some sort of solution to get their wives released, as they are innocent of any crime.
John wants to help, but tells them to go home that night and that they will "speak on it tomorrow." He needs time to think, to sort everything out in his head. The next act shows the three men coming to the courts, and trying over and over to free their wives and friends.
In this chapter, the main focus was that Jonny died which caused Dally to get out of control and get killed by the cops.
On page 131, it states “But I knew that was what he wanted, even as the lot echoed with the cracks of shots, even as I begged silently--- Please, not him... not him and Johnny both ---I knew he would be dead, because Dally Winston wanted to be dead and he always got what he wanted”
This was important because we are showed how Dally is affected by Jonny’s death and how this pushed him to his own death.
Proctor believes Parris is only in it for profits and he believes he that he is not worth his time listening to Reverend Parris Preaching.