The answer is B. No.
The workers were not highly skilled but were prepared to work for lower wages and salaries. That's why people disliked them, because they felt that their jobs were being taken away by people who are willing to work for low wages and live in poverty just to earn something.
The only example of a historical argument would be "<span>B.The Roman Empire traded with Han China because Chinese silk had been found in early Roman cities," since this would require some evidence in order to be convincing. The other options are either questions on basic facts. </span>
The terrorist´s main goal in committing the September 11, 2001 attacks was to cause terror within the frame of massive casualties in a scenario happenning inside the United States. Seen as a symbolic goal, it is rooted in many causes as stated by some of the terrorists´leaders, like the support of Israel by the United States; United States military presence in Saudi Arabia,etc.
