What kinds of working conditions did laborers encounter during the second industrial revolution?
well ventilated
largely unsafe
tightly regulated
mostly pleasant

largely unsafe

Explanation:

The working conditions of the second industrial revolution were unsafe, crowded and horrible.

Workers, many of them small children, worked in reduced spaces and under unhealthy conditions. The fumes of the factories and the long shifts were a cause of illness. There were no regulations in place and children would often take dangerous jobs.

the answer is c     : )

explanation:

i don't have an explanation because i don't know, but i think the answer is c because i googled it and google is right : ) just kidding google isn't allways right but the answer is still c. i hope this !

in 1989, tiananmen square in beijing was the site of china’s main industries. china’s government headquarters. -pro-democracy demonstrations. (second choice)