Single member districts and a winner-take-all voting system. Hope this helps!
One reason factory owners employed children because they were significantly cheaper than hiring an adult. "the child is paired one shilling or one shilling and six pence". This shows that it's more cost efficient to hire a child.
Another reason factory owners employed children because of their size. Here is a quote to support this "The smallest child in the factories were scavengers they go under the machine". This shows that if the child is smaller they can do more dangerous jobs than an adult.
The main reason why workers would have been reluctant to hold a strike in the early years of the factory system is because there were few jobs available, and those with jobs did not want to risk losing them over a strike.
I believe the answers are <span>C and E</span>