US contribution in Nicaragua uncover about the Reagan organization is that it was ready to work outside the law to accomplish its objectives. The Reagan organization's strategy towards Nicaragua delivered a noteworthy conflict between the official and authoritative arms as Congress tried to confine if not check through and through the capacity of the White House to bolster the Contras.
Same thing from the other question I answered.
It greatly changed the view of the Vietnam War back in America. People already didn't want U.S boots down on Vietnam, but the My Lai massacre made the U.S People really change views and turn on the war. This also affected the government, which then affected how the U.S commanders dictated the war.