Conflict Resolution Peace Agreements Peace Proposals Ceasefire Agreements Hostage Negotiations Influence of Leaders Trump's Approach to Russia Threats and Ultimatums Strategic Partnerships U.S.-Russia Relations Peace Processes European Response Trump's Negotiation Style Prisoner Exchange Power Dynamics Peace Efforts Political Leverage Timeframes Constructive Ambiguity Diplomatic Solutions Ambiguity Cease-fire Agreements Hostage Situations Mediators