俄外长：北约曾承诺不东扩，但实际上“一分钟都没有停止过”东扩

Group 1 - The core viewpoint of the articles highlights Russia's criticism of NATO's continuous eastward expansion, which contradicts previous commitments made by NATO [1] - Russian Foreign Minister Lavrov emphasizes the need for strict adherence to principles of sovereign equality and indivisible security to ensure stability and prosperity in the region [1] - Lavrov expresses hope for a positive response from the U.S. regarding Russia's proposals on the New START treaty, which aims to limit nuclear arsenals [3] Group 2 - The New START treaty, signed in 2010, was designed to limit the number of nuclear warheads and delivery systems deployed by both the U.S. and Russia, originally set to last for 10 years and extended until February 2026 [3] - President Putin stated that maintaining the current status of the New START treaty after its expiration is reasonable to prevent further strategic arms races, contingent on the U.S. not undermining existing balances [3]