Before taking questions from tribal leaders, the president signed a memorandum asking every cabinet agency to give him a detailed plan to improve the government's relations with American Indians.

VOA: standard.2009.11.05

So that happens like you're asking an American "Why is this article?"

所以你问一个美国人“为什么要用这个冠词？”

韩国人经常犯的失误 - SpeakingMax英语口语达人