Answer:
Definitions of each word
18. Democracy - A system of government in which each person's opinion is counted in the decision making process.
19. General assembly = The body of the united nations in which all members have an equal vote
20. Security council = The arm of the united nations comprised of eleven member nations
21. Constituent = The person who is served by a representative.
22. Representative = Acting on behalf of or in the place of another person (it should be to represent)
23. Interpretation = Explaining and defining something with certain bounds
24. Decision = When a judgement or a conclusion has been reached
24. Evidence = An indicator or a sign
Let me know if you have any question :D