How does the analogy in Part A help Kennedy reinforce his point? A. It presents a graphic picture of the violence that can occur among large groups of people. B. It provides an image to show how small acts of bravery can combine to have a powerful impact. C. It describe show people feel when they are overwhelmed by a sense of hopelessness. D. It paints a picture of the personal loneliness that is sometimes required to improve society for the better.

the illustration   that would give a reader a clear understanding of the text is a picture of men constructing the frame of a building.the frame is made of iron bars. the text describes the job of blacksmiths'. these were very organised and they had different names: "the driver" and "the heater". the text describes the way in which these men worked ; they worked iron pieces as if they were playing a sport. in fact, the text wants to show the men's skills. the text also puts some emphasis on the use of '' rivets'' in construction. this kind of nails were not always used in the construction of manhattan.

some examples:

"and with an underhand toss he hurled the smoking rivet straight at the catcher, who caught it in mid-air in his catching can." men's skills

"when the driver was ready for a new " the emphasis on the rivet ( special nail used in construction).

" it against a beam to remove any cinders, and jammed it into the waiting hole. " the emphasis on the rivet.

v