伟伟道来｜ 50天后，俄乌冲突是否面临转折点

Group 1 - The core timeline of the Russia-Ukraine conflict is marked by two key deadlines: 50 days set by Trump and 90 days proposed by Zelensky [2][9] - Trump demands a peace agreement between Russia and Ukraine within 50 days, threatening to impose a 100% tariff on Russia if no agreement is reached [2][4] - Zelensky's proposal to extend the wartime state and military mobilization for 90 days was approved by the Ukrainian parliament, marking the 16th extension since the conflict escalated in February 2022 [2][3] Group 2 - The U.S. is transitioning from being a donor to a weapons supplier for Ukraine, with European countries purchasing arms from the U.S. to supply Ukraine [7][8] - Germany is taking a leading role in this transition, planning to provide a Patriot air defense system to Ukraine, and has expressed readiness to take decisive military action if necessary [8] - The shift in military support dynamics may lead to a deeper understanding among European nations regarding the costs of conflict, potentially influencing the course of the Russia-Ukraine conflict [9]