The Iran Contra Action was NOT approved by the United States Congress. It was a clandestine operation.
The Regan administration did supply weapons to an enemy Iran in an effort to obtain Lebanon hostage release by Hezbollah who were loyal to the Aytollah Khomeini an Iranian leader, The US took the millions of dollars in the weapon sales and sent the money and arms to the Contras in Nicaragua.
Ironically the Republican Elections In 2016 coincided with the Sandinista victory.
Why is it the South has 100s and thousands of often young people in prison for long terms often life and many are facing the Death Penalty..
These young people are hostages for political bargaining deals in the Congress.