Answer:
Iran-Contra affair
Libya bombing.
Step-by-step explanation:
Reagan`s second term started in 1985. Two of his foreign policy issues were the bombing of Libya. The government considered the ruler of that country, Muammar Gaddafi, part of the so-called "unholy trinity" along with Fidel Castro and Leonid Brezhnev.
After a bomb exploded in a Berlin discotheque with 63 American military personnel injured and one death. Reagan administration accused Libya and authorized the U.S. of force against that country. Many countries condemned the military attack.
The other issue was the Iran-Contra affair. It consisted of sold arms to Iran under the context of the Iran-Iraq War and with the profits fund the Contra´s rebel fighting in Nicaragua. An action that was forbidden by Congress.
These two foreign policy issues undermined people´s trust in the Reagan administration.
I hope this answer helps you.