U.S. Secretary of State Mike Pompeo (L) speaks during a press conference in Washington D.C. Nov. 5, 2018. The U.S. reimposed sanctions against Iran's oil exports, which had been lifted under the landmark 2015 nuclear agreement to curtail Iran's nuclear program. However, Washington granted temporary waivers to allow eight major buyers to keep importing Iranian oil for some time. (Xinhua/Liu Jie)