1. Leonid Ilich Brezhnev   President of Soviet Union who succeded Khrushchev as well as Head of Communist Party   President of South Africa who won the 1993 Nobel Peace Prize, which he shared with Nelson Mandela   thirty-fifth President of United States of America   fourtieth President of United States of America   Hint Half-n-half Clue   2. Mikhail Gorbachev   President of South Africa who won the 1993 Nobel Peace Prize, which he shared with Frederik Willem de Klerk   thirty-ninth President of United States of America   President of Cuban Republic   President of Soviet Union who ended Cold War   Half-n-half Clue   3. Henry Kissinger   President of Soviet Union who succeded Khrushchev as well as Head of Communist Party   leader of Soviet Union who succeeded Stalin   Foreign-Policy Advisor of United States of America   South African religious leader who won the 1984 Nobel Peace Prize   Half-n-half Clue   4. Jimmy Carter   President of Cuban Republic   President of Soviet Union who ended Cold War   Chancellor of Germany   thirty-ninth President of United States of America   Half-n-half Clue   5. Frederik Willem de Klerk   President of South Africa who won the 1993 Nobel Peace Prize, which he shared with Nelson Mandela   President of South Africa who won the 1993 Nobel Peace Prize, which he shared with Frederik Willem de Klerk   President of Soviet Union who succeded Khrushchev as well as Head of Communist Party   South African religious leader who won the 1984 Nobel Peace Prize   Half-n-half Clue   6. Helmut Kohl   President of Cuban Republic   Chancellor of Germany   founder of People's Republic of China   thirty-ninth President of United States of America   Half-n-half Clue   7. Ronald Reagan   thirty-ninth President of United States of America   President of South Africa who won the 1993 Nobel Peace Prize, which he shared with Frederik Willem de Klerk   thirty-fifth President of United States of America   fourtieth President of United States of America   Half-n-half Clue