UN could not do a lot of work during the Cold War because of the conflict between East and West.After the end of the Cold War,we see all the importance of UN; especially peace keeping operations have become much more important.

• 由于东西方之间的冲突，冷战期间联合国无法做很多工作，但冷战结束之后，我们看到了联合国的重要性，尤其是其维持和平的作用变得十分重要。