Your students will need to “80/20” their research and focus on what’s most important and what they’re most likely to use during the conference. Start with the background guides, do basic google and wiki searches, but what would be most helpful are any recent UN reports on their topics and recent speeches made by their country’s political leaders on those topics. Their goal would be to identify 3-5 possible solutions/recommendations they can bring to the conference and include in speeches and a resolution (I’m assuming this is an American conference, if it’s international or THIMUN then there are different procedures).
For an excellent source on English composition, check out this classic book by William Strunk, Jr. on the Elements of Style. Contents include: Elementary Rules of Usage, Elementary Principles of Composition, Words & Expressions Commonly Misused, An Approach to Style with a List of Reminders: Place yourself in the background, Revise and rewrite, Avoid fancy words, Be clear, Do not inject opinion, Do not take shortcuts at the cost of clarity, … and much more. Details of The Elements of Style by William Strunk, Jr. partially available online at . Note: William Strunk, Jr. (1869–1946). The Elements of Style was first published in 1918.