Answer:
A-the silk road increased contact between China and the Middle East
Surrounding deserts and the lack of natural barriers
Perhaps the most important part about munn v. Illinois was that the Supreme Court of the United States upheld the federal government's right to regulate private industry, since this had been a contested issue for a long time.
Child labour is where children did work instead of adults, and weren’t payed. This was a problem during the industrial revolution, as the industrial revolution was about jobs and being payed.
Your is could be A he thought central bank would increase the value of paper money