<h1>Summit explores settlement terms for Russia-Ukraine war: territorial concessions, security guarantees, sovereignty, consent and enforceability</h1> A high-level summit between the U.S. president, the Ukrainian leader, the Russian president and multiple European heads of state centered on potential terms to end the Russia-Ukraine war, including territorial concessions (notably Crimea and parts of Donbas), NATO-like security guarantees, and ceasefire arrangements. Legal issues include sovereignty and non-recognition of annexation, the constitutional constraints on territorial concessions by the Ukrainian state, the binding nature and enforceability of proposed security assurances versus formal treaty accession, and risks of coercion affecting consent to any deal. Allied states seek concrete guarantees to deter future aggression while balancing diplomatic pressure and domestic legal limits.