Donald Trump Peace Negotiations Peace Talks Ceasefire Negotiations Diplomatic Efforts Russia Relations Russia US Involvement Diplomatic Talks Support for Ukraine Peacekeeping Efforts Diplomatic Strategies Peace Agreements Negotiations European Security Zelenskyy's Leadership Trump's Stance on Ukraine Peace Efforts Trump's Involvement Ceasefire Efforts Diplomatic Solutions NATO Membership U.S.-Russia Relations Military Aid Diplomatic Negotiations Western Response Trump Administration Diplomacy Marco Rubio US Support for Ukraine US-Denmark Relations Diplomatic Relations US-Russia Negotiations Negotiation Outcomes Prisoner Swap US-Europe Relations Munich Security Conference International Responses U.S. Foreign Policy US-EU Relations Diplomatic Meetings Saudi Mediation US-Ukraine Relations US-French Relations UN Resolutions China's Influence on Russia Negotiation Dynamics Political Settlement U.S. Involvement Russia Absence Russian Federation Iran's Position Security Guarantees International Sanctions Turkey's Role Global Diplomacy Sovereignty Issues NATO Relations Military Support Territorial Integrity Human Rights Geopolitical Tensions Trump's Peace Proposals