What were the outcomes of the Iran Contra Affair? Check all that Apply. A: Three US hostages held by Labanese terrorist were released. B: do US and Iran signed a treaty to guarantee future US help against Iraq. C: with US help, The contras defeated the Sandinistas And rose to the power in the 1980s. D: President Reagan's popularity briefly declined as the extent of his involvement was questioned. E: Oliver North and John poindexter of the NSC were convicted of wrongdoing, but that was overturned.