I need 2 good Rebuttal QUestions?

Its for my Social Studies class...I need this question answered by tomorrow...think any of you guys can do that? Please? Okay..teh info...The trial is about U.S bombing on Bikini atoll. and bikini is suing us. I am role 3 in my lawyer group. my job is to cover the detonation of the Bravo Bomb and what happened a month AFTER it happened. (Did that) I just need 2 good rebuttal questions to ask the Bikinians so they wont have an answer...anyone can do that? If you need more info i'll include...