Which statement best evaluates an author's use of support?
o
a. the author uses information from several credible
sources, but the facts don't fit together and they feel
forced.
o
b. the author fails to provide adequate evidence to convince
the audience that his claims are correct.
o
c. the author jumps from one topic to the next, taking the
audience on a roller coaster ride of information.
o
d. the author uses terminology that may be familiar to
scientists but sounds like nonsense to general audiences.

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.