The correct answer is <span>A. Electric lights made it possible for factories to run after dark.
The conditions were still dreadful and it didn't reduce accidents. It only made it possible for factories to run after dark which made conditions even worse since people started working for over 12 hours a day in order to keep their jobs since they were easily replaceable in the factories because the jobs were mostly low skilled jobs.</span>
Interacting groups shared skills and ideas that improved farming practices
