| A | B |
| navigable | wide and deep enough for large ships to pass through |
| republic | a government in which people elect all important government officials |
| communism | a form of socialism in which the government controls the economy and society in general |
| acid rain | rain fall with large amounts of chemicals especially sulfuric acid |
| loess | soil deposited by winds |
| autobahn | a superhighway in Europe |
| dialect | local form of language |
| Holocaust | the slaughter of 6 million Jews |
| polder | an area of land reclaimed from the sea |
| multinational firms | companies that do business in several countries |
| neutrality | refusing to take sides in disagreements |
| watershed | a high place from which rivers flow in different directions |