How did “the irresistible demands of commerce"
influence the building of the bridge?

The correct answer is: People wanted the bridge built because it would be good for business.

Explanation:

In the excerpt, the author clearly states that the people wanted to build a bridge because they considered it would be good for business. We can also conclude that from the following sentence: The irresistible demands of commerce enforced these hard conditions.

As we can notice, this irresistible need of commerce enforced the hard conditions for the construction of the bridge, and people doubted the construction would begin at the earnest.

the correct answer is c. he speculates on what might happen at given points in the future in a world without people. alan h. weisman is an american author, professor, and journalist. authors organize their information with a purpose. they present their ideas in an organized way. this is called text structure. weisman uses text structure so as to improve overall comprehension and to prove his points.

dramatic irony occurs when the reader/audience knows more about a character's situation than the character does. the one main effect is that it gives the reader a sense of superiority, or detached superiority. the reader not only seemingly discovers what is revealed, but feels superior for doing so.