Read the excerpt from "How the Immigrants Who Came to Ellis Island in 1907 Compare to Arrivals Today": The U. S. tried to reduce this type of immigration with the 1924 Immigration Act, which introduced numerical caps or quotas based on country of origin. These quotas gave enormous preference to people from northern and western Europe
over those from southern and eastern parts of the continent. But despite intense fears that the latter type of immigrants could never really be American, they and their
descendants became an important part of the country.
What information is NOT explicitly stated in the excerpt?
The United States set quotas on immigrants from Europe.
The 1924 Immigration Act tried to limit immigration into the United States.
European immigrants became an important part of American culture.
The 1924 Immigration Act helped immigrants integrate into the United States.

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.