In texts, the tone is mainly the attitude of the author towards the events, situation or subject that is describing through writing, which can be identified by the use of words such as adjectives or similar that show in an explicit or in an implicit way the feelings and position of the author in the text. In the case presented the author mainly uses this text to explain the way, in which June 28, 1948, was a different date and changed the life of the narrator. This can be seen in the last section of this paragraph as the author states "never supposing that is was the last time for months that I would pick up the mail without an active feeling of panic" that shows the main attitude or feelings of the author toward this situation is the panic and fear. Therefore, the words that best impact the article's tone is "active feeling of panic".
<h3>B. The author is unhappy about the changes</h3>
The author is unhappy about the changes to be happened to the Freedom Tower as expressed by him in the lines. He fears that the tower may become bulky if extra security demands are grafted.