What effect did the industrial revolution have. on art at the time

In which quotes does the author use the word "chains" literally? in which quotes does she use the word figuratively?

Which of the following is an example of the endocrine system maintaining homeostasis? detecting a pain stimulus and sending a signal to the spinal cord to perform an automatic response discharging an excessive amount of hormones in the blood and not sending a signal to stop production releasing hormones that speed up heart rate and blood pressure while slowing body functions like digestion and growth using sense organs to get information about the outside world and direct an appropriate body response release

How does the music sync with the dancing?