Last year I completed a pamphlet on 10 Reasons to Abolish the UN for the Freedom Center, which you can find at its online bookstore that explores the reasons why the United Nations is a threat to the United States and to freedom around the world. You can learn more about the pamphlet from this video and this excerpt below that discusses the failures of the UN not only at preventing genocide, but at trying those responsible.
How effective is the United Nations at tackling genocide? When it happens or is about to happen, its peacekeeping forces usually find a good reason to be somewhere else. And the Security Council and General Assembly find some pressing Israeli matter to concentrate on. But what about after the fact?