Final answer:
The Iran-Contra Affair involved illegal arms sales to Iran, impacting US foreign policy and causing political turmoil.
Explanation:
The Iran-Contra Scandal and Its Impact
The Iran-Contra Affair was a scandal involving the Reagan administration selling missiles to Iran to secure the release of hostages, with profits diverted to the Contras in Nicaragua, violating US laws. This led to investigations and the resignation of officials, tarnishing Reagan's presidency.
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