They were extremely dirty. There was excrement on the streets, pigs and rats roamed free, and people were hired to clean said streets due to how bad the smell was.
International trade enables specialization, which brings increased efficiency and greater competition to spur the market.
This happens because Specialization would make each nation to focus on producing certain type of products in which they would gain a competitive advantage towards other (either because they had the necessary materials sources or labor qualities) and would create better and cheaper product in the market.
French Revolution is about overthrowing the French regime because of tyranny. The American Revolution was about gaining independence from Great Britain.
The industrial Age in all of the United States is most associated with <u>D) late-1800s</u>, because although the industrial revolution in the U.S.A began at the end of the 18th century <em>(late 1700s)</em> thanks to that Samuel Slater <em>(known as the father of the industrial revolution in the U.S.A) </em>brought new manufacturing technologies from England to the United States and founded the first American cotton mill in Massachusetts in 1787, which helped to spread all the new manufacturing knowledge in the country and it caused a progressive industrial expansion, <u>nevertheless, in the late 1800s the industrial revolution expanded through all the United States due to the appearance and extension of railways and technological developments such as electricity and motors, among others.</u>
So, for that reason, the Industrial Age in <u>all of the United States</u> is MOST associated with <u>late-1800s.</u>