How did the Industrial Revolution change working conditions for people? A. People were able to ask for better pay.
B. Workers started their own factories.
C. Machines started to replace workers.
D. More highly skilled workers were needed.

D,more highly skilled workers were required,because people had to work much longer,than normal

during the 20th century, the role of the vice president has evolved into more of an executive branch position. now, the vice president is usually seen as an integral part of a president's administration and presides over the senate only on ceremonial occasions or when a tie-breaking vote may be needed.