| Hint | Answer | % Correct |
|---|---|---|
| 1922-1991 | Soviet Union | 100%
|
| 1949-present | China | 97%
|
| 1975-present | Vietnam | 97%
|
| 1945-1992 | Yugoslavia | 97%
|
| 1959-present | Cuba | 93%
|
| 1946-1990 | East Germany | 93%
|
| 1945-1989 | Hungary | 93%
|
| 1945-present | North Korea | 93%
|
| 1948-1989 | Czechoslovakia | 90%
|
| 1975-present | Laos | 90%
|
| 1948-1989 | Romania | 90%
|
| 1921-1990 | Mongolia | 87%
|
| 1945-1989 | Poland | 87%
|
| 1978-1992 | Afghanistan | 83%
|
| 1944-1992 | Albania | 83%
|
| 1975-1992 | Angola | 83%
|
| 1946-1989 | Bulgaria | 83%
|
| 1975-1979 | Cambodia | 83%
|
| 1987-1991 | Ethiopia | 77%
|
| 1976-1991 | Somalia | 77%
|
| 1975-1989 | Benin | 73%
|
| 1979-1983 | Grenada | 73%
|
| 1962-1992 | Congo | 70%
|
| 1975-1990 | Mozambique | 57%
|
| 1945-1975 | North Vietnam | 43%
|
| 1969-1990 | South Yemen | 43%
|
| 1983-1991 | Burkina Faso | 33%
|
| 1921-1944 | Tuva | 30%
|