Answer: Petroleum, Electricity and Steel
Explanation: The second industrial revolution is a period between the late 19th to the early 20th century which is characterized by massive growth and expansion of industrialization. The second industrial revolution is also known as the technological revolution most notable for steel production, expansion in electrification which was previously limited to very few cities and development of Petroleum and gas supply.
the right answer is D it was a chaos
D/ establish the gold standard i hope it helped
Answer:
Well, the 1920's were when the Harlem Renaissance was. This was when African Americans celebrated their cultural pride. They rose up and became writers, inventors, actors, and singers.
Explanation: