| A | B |
| proof (n) | facts, information, documents etc that prove something is true |
| refugee (n) | someone who has been forced to leave their country, especially during a war. |
| predict (n) | to say that something will happen, before it happens . |
| dramatically (n) | chanding a lot. |
| prosper (v) | if people or businesses prosper, they grow and develop in a successful way. |
| retreat (v) | to move away from the enemy after being defeated in battle . |
| occur (v) | to happen or exist in a particular place or situation |
| actually (adv) | spoken used to add new information to what you have just said. |
| harvest (n) | the time when crops are gathered from the fields, or the act of gathering them. |
| plunge (v) | to move, fall, or be thrown suddenly forwards or downwards |
| crop (n) | a plant such as wheat, rice, or fruit that is grown by farmers and used as food . |
| famine (n) | a situation in which a large number of people have little or no food for a long time and many people die: |
| struggle (v) | to try extremely hard to achieve something, even though it is very difficult. |
| recovery (n) | the process of getting better after an illness, injury etc. |
| agreement (n) | an arrangement or promise to do something, made by two or more people, companies, organizations etc. |
| glacier (n) | a large mass of ice which moves slowly down a mountain valley |
| cause (v) | to make something happen, especially something bad. |
| therefore (adv) | as a result of something that has just been mentioned. |
| during (prep.) | 1 from the beginning to the end of a period of time. |
| look back (v) | to turn one's eyes toward something. |