Answer: the invention of machines to do the work of hand tools
Explanation:
Theme is A) An underlying concept.
Theme is also the big picture you see in the story.
B. first person. this allows you the see what and character is thinking and feeling
In spite of betraying Guy, Mildred is a character who is sympathetic.
Another suggestion for a thesis:
Though she betrayed Guy, Mildred is quite sympathetic.
