| A | B |
| scarcity | the limited supply of something |
| quota | the amount businesses are allowed to produce |
| supply | the amount of goods available |
| demand | how many people want the goods which are produced |
| ruble | currency of Russia |
| euro | Currency used by many countries in the European Union |
| embargo | the government determines to stop trade with another country |
| tariff | a tax imposed on imported goods |