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Across 3. a description of what is likely to happen in the future, based on the information that you have now 6. to oppose or fight against someone in authority or against an idea or situation which you do not agree with 7. the way in which plants, animals, and people are related to each other and to their environment 8. the activity of buying, selling, or exchanging goods within a country or between countries 11. all people of about the same age 13. the solid dry part of the Earth's surface 14. all the money, property, skills etc that you have available to use when you need them 16. the success you achieve when you win a battle, game, election etc 17. a list of the times at which buses, trains, planes etc arrive and leave 18. ideas and activities relating to gaining and using power in a country, city etc 19. the air, water, and land on Earth, which can be harmed by man's activities 20. an important meeting or set of meetings between the leaders of several governments

Down 1. a situation that causes difficulties 2. the physical or mental energy that is needed to do something 4. to suddenly fall down or fail do something or become too weak to continue 5. protection from bad things that could happen to you 9. the process by which businesses or other organizations develop international influence or start operating on an international scale 10. a system of government in which every citizen in the country can vote to elect its government officials 12. something that you use to fight with or attack someone with, such as a knife, bomb, or gun 15. a large boat used for carrying people or goods across the sea 6.