Part A: A: the bankers hasty thoughtless actions lead to trouble and despair for him.
Part B: B: “desperate gambling on the stock exchange, wild speculation and the excitability which he could not get over even in advancing years, had by degrees led to the decline of his fortune and the proud, fearless, self-confident millionaire has become a banker of middling rank, trembling at every rise and fall in his investments”
In Part A, A is the correct answer because the banker is constantly taking making quick decisions with his money. We see this in the supporting evidence of option B. It describes his gambling as desperate and him making decisions based on "wild speculation". We see the despair further on in the story when it says, "When he got home he lay on his bed, but his tears and emotion kept him for hours from sleeping.”
The danger of not respecting the power of nature
In this article, it shows how The Diary of Anne Frank was taken to North Korean schools and being used to teach hatred for western society in the students by comparing Americans with the Nazis. This article is against this use of such an important book, and supports this by quoting Buddy Elias, Anne's cousin, who was shocked by the government established parallelism between Hitler and Bush, instead of Hitler and <span>Kim Jong-Il.
Therefore, your best answer is </span><span><em>The purpose is to condemn a misuse of the Diary the evidence is that the author includes quotations from Ann's cousin who does not approve the use.</em></span>