Answer: It would be the 2nd one or the 3rd one. I would go more for the 2nd one, but it's your choice. (Choose the 2nd one)
Explanation: The Industrial Revolution made it so all kids of everywhere could go to school, and this was good because education was a requirement to work.
Answer: number 1 is 8.5 million number 2 is 5.3 million number 3 is about 86 years
Explanation: