Question

Which of the following resulted in the Second Industrial Revolution?
Capitalists developed a system that increased factory productivity.

Innovators developed a process to produce steel inexpensively.

Scientists invented a process for extracting oil from coal.

Engineers built the first internal combustion engine.

Answer 1

i think its b

Answer 2

@IronPatriot

Answer 3

http://www.studenthandouts.com/1batch/Handouts-101/Results-of-the-Industrial-Revolution-Outline.htm here are your answets