How was Nicaragua involved in the Iran-Contra affair? Nicaragua held American hostages. Nicaragua overthrew the Sandinista government. Contra forces bought missiles from the United States. Contra forces received money from the sale of missiles to Iran.

Contra forces received money from the sale of missiles to Iran.                

Explanation:

The Iran-Contra affair was in illegal affair during the second tenure of President Ronald Reagan. It involves the illegal sales of weapon to Iran by the Reagan administration, as at that time, Iran had already been blacklisted by the American legislative house and the sales of weapons to them suspended. The proceeds of the weapon sale was used to support the Nicaraguan Contras, a rebel group. The congress has also already prohibited the funding of the rebel groups under the Boland Amendment.

D, Contra forces received money from the sale of missiles to Iran.

Explanation:

because the vietnam war was fought in an especially brutal and untraditional way