China, heavily dependent on Middle East oil, has tried to cast itself as a peacemaker. But in the Israel-Iran war, Washington emerged as the real power broker.

After President Donald Trump authorized a military strike at three of Iran's nuclear sites, Americans have many questions. Here are answers.

“If the Middle East is unstable, the world will not be at peace,” Chinese President Xi Jinping said June 19. “If the conflict escalates further, not only will the conflicting parties suffer greater losses, but regional countries will also suffer greatly.”