During the Alaskan Gold Rush thousands of mostly nameless<span> men sought their fortune in a harsh environment and lost</span>
Base on my research, the reason why the Expository writing include more than just a fact, its because, it also need and evidence that could support the fact. I hope you are satisfied with my answer and feel free to ask for more if you have questions and further clarifications
A satirist may make a subject ridiculous by comparing it to something undignified.
That way he diminishes the value of that subject and mocks it, creating a funny effect.