Many things about this piece of literature are hard to understand. which revision would make this sentence more precise? the author's use of foreign words makes this piece challenging. the author's work of literature is full of many confusing pieces. this literary work has many challenges and pitfalls. the literary work consists of many things that are difficult.

The author's use of foreign words makes this piece challenging.

Explanation:

This is the best way to explain the challenges that are present in a particular piece. The original sentence stated that "many things" were complicated. This is too vague and unlikely to help the reader understand what the difficulties consist of. Similarly, the other options use phrases such as "many confusing pieces," "full," "many challenges and pitfalls" and "many things." These are very vague and informal. The first option, however, states that the difficulty lies in the author's use of foreign words, which helps us understand the difficulties 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.