Read the summary about factory work during the Industrial Revolution. Factory work was not easy. First of all, it involved long hours. Typical factory workers put in twelve-hour days, six days a week, and there were few holidays. Moreover, most workers had to do the same simple tasks over and over each day. At the same time, they had to work fast to keep pace with the machines they tended. Finally, factory work could be dangerous. Fingers, hair, and clothing often got caught in the many gears and belts of machines, making accidents common. Also, textile mills were filled with cotton dust, which damaged the lungs of the workers who breathed it in.

The underlined sentence states ( Factory work could be dangerous)
a central trend.
some key details.
the writer’s opinion.
a summary statement.

key details

Explanation: the author is writing this paragraph in sequential order, and factory work being dangerous is a known fact not "just an opinion"

rosevelt. 1973. "slaves everywhere"

in his book, the riddle of the rosetta stone, james giblin talks about how there was a young british polymath and physician named thomas young who made a lot of advances on the deciphering of the rosetta stone. he says that even though young made a lot of mistakes because he was working under false assumptions, he also made huge contributions like deciphering three out of the seven symbols (more than anyone else before him). young published his findings and continued his good work but he wasn't able to progress much further due to some unfavorable situations, he still laid the basis for many other scholars and of course for the man who has been generally known to have deciphered it, jean-françois champollion