Which of the following best describes the relationship between the employers and the workers in the text?
 A
 Their relationship became more equal and fair with the introduction of better technology.
 B
 Employers often took advantage of workers' labor, pay, and living conditions to benefit their business.
 C
 Some, though not all employers provided their employees with nearby housing at affordable rates.
 D
 Workers often formed unions to force their bosses to make changes, accidentally sending factory progress into decline.o