| A | B |
| precious gems | valuable gemstones, such as rubies, sapphires, and jade |
| deforestation | widespread cutting of forests |
| socialism | economic system in which most businesses are owned and run by the government |
| civil war | fight among different groups within a country |
| plate | huge slab of rock that makes up the earth's crust |
| strait | narrow body of water between two pieces of land |
| free port | place where goods can be unloaded, stored, and shipped again without needing to pay any import taxes. |
| terraced field | strips of land cut out of a hillside like stair steps so the land can hold water and be used for farming |