And, what is your question?
Two things that increased american interchanges in the late 1800s were "b. the telegraph and telephone," since both of these creations significantly accelerated correspondence and made it more productive.
Judicial Review is the ability to review new laws to see if they are within the guideline of the Constitution. If the law is not within the guidelines, it is called unconstitutional and is discarded.
The invention of the telegraph and telephone helped improve the standard in the United States by making the lives of the citizens more easier and efficient. The telegraph was a machine that send messages to places from long distances. The telephone is a machine that transmits sound to another device. The telegraph and telephone helped improve the living standards by helping people send messages and audio to places from long distances, so the person doesn't have to send a letter that could take days for the person to receive. It made the lives of the people in the United States a lot easier.
