Konstantin Chernenko
In 1984, Kim visited Moscow during a grand tour of the USSR where he met Soviet leader Konstantin Chernenko. Kim also made public visits to East Germany, Czechoslovakia, Poland, Hungary, Romania, Bulgaria and Yugoslavia. Soviet involvement in the North Korean economy increased, until 1988 when bilateral trade peaked at US$2.8 billion. In 1986, Kim met the incoming Soviet leader Mikhail Gorbachev in Moscow and received a pledge of support.