| A | B |
|---|
| Fossil Fuels | Oil, natural gas and coal |
| Soft Wood | Wood from evergreen trees. Used in buildings and for making furniture. |
| Infrastructure | System of roads and railroads for transporting materials. |
| Permafrost | A permanently frozen layer of soil beneath the surface. |
| Taiga | The world's largest coniferous forest, that stretches about 4,000 miles. forest that is roughly the size of the United States. |
| Smog | A thick haze of fog and chemicals. |
| Pollutants | Chemicals and smoke particles that cause pollution into the air. |
| Missionaries | People who move to another area to spread their religion, |
| Czar | Emperor |
| Serfs | Farm laborers who could be bought and sold with the land. |
| Communist State | The government controlled the economy and society. |
| Collectivization | A system in which small farms were combined into large, factorylike farms run by the government. |
| Cold War | Period from 1947 until 1991 when the united states and the Soviet Union engaged in a political struggle for world influence but did not fight each other. |
| Glasnost | Openness |
| Perestroika | restructuring |
| Coup | An overthrow of the government by military force. |
| Autonomy | Independence |
| Elimate | Do away with. |
| czar | Emperor |
| Serfs | Farm laborers who could be bought and sold with the land. |
