Comparing the Crucible to the West Memphis three

What role does the past play in “A Long Day’s Journey into Night”? Is it treated similarly in “A Streetcar Named Desire”? What role does alcohol and drug abuse play in this “A Long Day’s Journey into Night”?

2nd paragraph answer this question
How are the two brothers looked upon by their parents? How is Edmund different than Jamie? Do these differences affect how Mary and James treat them?