In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

One of the reasons this scandal broke was the capture of Eugene Hasenfus after his Fairchild C-123 cargo plane was shot down. In it, the executive branch disobeyed the Boland Amendment, leading to the resignation of National Security Adviser Admiral John Poindexter. During this incident the president continued to insist that "we did not negotiate with terrorists" and acted against the wishes of Secretary of State Shultz and Secretary of Defense Weinberger. Much of the work was carried out by Lieutenant Colonel Oliver North, who diverted money to rebels fighting against the ruling Sandinistas in Nicaragua. Name this scandal during the Reagan presidency that involved selling weapons to a country headed by Ayatollah Khomeini.
History