all serve with honor when america and the world needed them most. >> after the work, peace in europe was built and maintained with the united nations and with the nato, whose mission is still maintaining peace in europe. >> the united states and nato, the coalition of more than 50 countries, standing strong with ukraine, we will not walk away. [ applause ] because if we do, ukraine will be subjugated, and it will not end there. ukraine's neighbors will be threatened, all of europe will be threatened. and make no mistake, the autocrats of the world are watching closely to see what happens in ukraine. to see if we let this illegal aggression go unchecked. we cannot let that happen.