Which of these changes during the Industrial Revolution led to greater efficiency?
A)Workers received labor rights.
B)Major labor unions were formed.
C)Slavery and other forms of forced labor were eliminated.
D)Animal & human power were generally replaced with steam power.

Respuesta :

D) Animal & human power were generally replaced with steam power.

D) Animals and human power were generally replaced with steam power.

The steam engine was one of the most important inventions of the Industrial Revolution . Steam engines were used in all sorts of applications including factories, mines, locomotives, and steamboats. Steam engines use hot steam from boiling water to  a drive piston back and forth.