| A | B |
| Danube River | called the "lifeline" of Eastern Europe |
| communism | form of government in Eastern Europe from 1948 to the 1990's |
| nationalism | intense feeling of pride or loyalty to one's nation group |
| Islam | religion of most Bosnians |
| Eastern Orthodox | religion of most Serbs |
| Roman Catholicism | religion of most Croats |
| Tito | former dictator of Yugoslavia |
| Sarajevo | multi-ethnic capital of Bosnia |
| Albanians | ethnic group targeted by Serbs in Kosovo |
| North European Plain | major landform in Poland |
| Solidarity | political party in Poland that brought an end to communism |