Even friendly countries can cut up rough at crucial moments, as America found when Turkey restricted the use of its territory and airspace during the invasion of Iraq in 2003.

• 即便是友邦也会在关键的时刻大发脾气不予配合。2003年入侵伊拉克战争期间土耳其禁止美国使用其领土及领空就是一例。