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编者按1月19日,约1万名乌克兰反对派在首都基辅集会,示威者与警方发生激烈冲突。此后,乌克兰局势的混乱便日渐升级。2月22日,乌克兰总统亚努科维奇被赶下台。3月16日,克里米亚和塞瓦斯托波尔就地位问题举行了全民公投,96.77%的选民赞成克里米亚加入俄罗斯联邦。时隔两天,克里米亚、塞瓦斯托波尔市领导人签署加入俄联邦条约。3月20日,美国扩大了对俄罗斯的制裁范围,对包括总统普京在内的另外20多位俄罗斯官员实施制裁。
Editor’s note By January 19, about 10,000 Ukrainian opposition parties gathered in the capital Kiev, where protesters clashed violently with the police. Since then, the turmoil in Ukraine has been escalating. On February 22, Ukrainian President Yanukovich was ousted. On March 16, Crimea and Sevastopol held a referendum on their status and 96.77% of voters voted for the accession of Crimea to the Russian Federation. Two days later, the leaders of Crimea and Sevastopol signed the treaty of accession to the Russian Federation. On March 20, the United States expanded its sanctions on Russia and imposed sanctions on more than 20 other Russian officials, including President Putin.