What was going on the world at the time that stocked fears in america

If you are talking about the industrial revolution, which I assume, people started making machines, an example: weaving machines, more efficient then people. People were afraid that the machines would "take their jobs," basically.

c or d both can be the answer

a sample of water is taken and kept in a beaker in a freezer at a constant temperature of 0°c. if the system is at dynamic equilibrium, which of these statements is true?