Short answers, pulled from the story.
The group sent its formal appeal in August 1969. This action marked a shift from isolated complaints to organized international advocacy regarding citizens whose rights were being trampled by Soviet authorities.
Iosif Brodsky faced charges of parasitism simply for lacking official employment and was sentenced to internal exile. Frida Vigdorova compiled notes from his trial which circulated widely among dissident circles and generated sympathy across the country.
Records kept by the Chronicle of Current Events show that over 164 individuals were declared insane and sent to compulsory psychiatric treatment facilities. This technique became known as the medicalization of dissidence or psychiatric terror used to avoid public criminal trials.
An agreement between West Germany and Soviet authorities in 1972 allowed between 6,000 and 8,000 people to emigrate annually. Almost 70,000 ethnic Germans left the Soviet Union by the mid-1980s under this arrangement.
Ronald Reagan held a meeting with Andrei Sakharov at the White House on the 14th of November 1988. He stated that Soviet human rights abuses were impeding progress until completely eliminated during this engagement.