B. Guidelines for keeping your campsite clean and sanitary.
Explanation:
Expository writing is written with the intention of informing the reader. This includes textbooks, news stories, technical instructions, and business writing, among other sorts of factual writing.
Answer B is a set of steps, or instructions on how to keep a campsite clean and sanitary, it informs the reader.
Well I do not know if there are any restrictions but most organisations are corrupted and keep most of the money donated, I personally would build schools and hospitals and hire staff members in 3rd world countries.