The Cold Equations" absolutely underscores the role of technology in undermining human choice; the title itself, using the adjective 'cold,' connotes a lack of warmth and human perspective.
You can tell the reader what happened tro the main character or end it in a heroic ending. Since it is fiction, base the ending on your story.
It should be the last one D.
A thesis statement you just have to state purpose for what you are writing so I guess they can help but I wouldn't rely on them you'd focus that more on the body paragraphs then the thesis
