Final answer:
A) Oliver North, Lieutenant Colonel Oliver North was put on trial for the Iran-Contra affair, a scandal involving illegal arms sales and the diversion of funds to the Contras in Nicaragua.
Step-by-step explanation:
The individual who was put on trial for the Iran-Contra affair is A) Oliver North. This scandal involved the Reagan administration's covert sale of weapons to Iran with the intention of securing the release of hostages.
The excess proceeds from the weapons sales were diverted to support the Contras in Nicaragua, which was in direct violation of U.S. laws and policies. Several officials connected to the scandal resigned, and most of those convicted were later pardoned or had their convictions reversed.
A) Oliver North was put on trial for the Iran-Contra affair. As a key figure in the scandal, Lieutenant Colonel Oliver North, a member of the National Security Council, faced charges related to the illegal sale of arms to Iran and the diversion of funds to support Contra rebels in Nicaragua during the Reagan administration.
The Iran-Contra affair, revealed in the late 1980s, raised ethical and legal concerns, leading to investigations and hearings. While North's conviction was later overturned on appeal, the controversy surrounding the Iran-Contra affair remains a significant episode in U.S. political history.