B) a courtesy
Hope this helped! Also trying to get brainliest!
Is an example of a compound noun
An inductive paragraph begins with either evidence or reasons leading to the statement of the writer's claim at the end of the paragraph. Inductive paragraphs are therefore “conclusion-oriented”. The main conclusion is the most important part of the reasoning and usually comes at the end of a paragraph.
The clause <em>when we can rest </em>is a subordinate/dependent clause, meaning that it cannot stand on its own - it has to be a part of a larger, independent clause, as is the case here.