by the middle of the nineteenth century, what factors
threatened the isolation and stability of japan?

Japan had a strict policy of isolation and was not interested in trading with any nation especially from the West. They knew the advancements that were made since they had a little contact with the Dutch. And then in 1853 U.S. Commodore Matthew Perry and his fleet forced Japan to open up and end its isolation. This was followed by a brief civil war and then with a rapid industrialization of Japan.

answer: i cant no exerpt

explanation:

workers of lowell mills were greatly benefited for the waltham type of work which was more a paternalist kind, trying to protect the integrity of this little girls coming from small farmers and providing an adequate place of work, this in an effort to avoid the issues of bad place conditions and immorality that the people in bigger industrialized cities of great britain were experimenting.