Definition: In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].
Input: White House Silent on Bremer Troop Request WASHINGTON - The White House refused to say Tuesday whether the top U.S. civilian official in Iraq after Saddam Hussein's ouster had asked the president for more troops to deal with the rapid descent of postwar Iraq into chaos...

World