Group 1 - The core idea of the article is the proposal for the formation of a new "Core 5" group consisting of the United States, China, India, Japan, and Russia, which would serve as a counterbalance to the existing G7 group [1][3]. - The concept of "C5" reportedly originates from a longer, unpublished version of the U.S. National Security Strategy report released by the White House [1]. - European countries are notably absent from the proposed "C5" group, indicating a shift in geopolitical focus [1].

Core Viewpoint - The United States is reportedly considering the formation of a new "Core 5" group comprising the U.S., China, India, Japan, and Russia, contrasting with the existing G7 group, although the White House has denied these claims [1][5]. Group 1: Formation of Core 5 - The idea of forming the "Core 5" group originated from an unpublished version of the U.S. National Security Strategy report, which is longer than the public version [3][7]. - Experts in national security noted that Europe is not included in the "Core 5" concept [3][7]. Group 2: Reactions from Russia - Dmitry Medvedev, Deputy Chairman of the Russian Security Council, suggested that the U.S. intention to form "Core 5" appears to be a message to Europe [3][7]. - Kremlin spokesperson Dmitry Peskov stated that Russia has not received any invitation from the U.S. to join "Core 5" and expressed uncertainty about the implications of such a platform [3][7]. Group 3: U.S. National Security Strategy Report - The U.S. National Security Strategy report, released on December 4, focuses on America's core national interests, prioritizing the Western Hemisphere, sharply criticizing Europe, and downplaying the threat of terrorism [4][8]. - The report aims to maintain a high but manageable level of great power competition in the Asia-Pacific region and seeks to rebalance external commitments with internal capabilities [4][8]. - Although the report does not have legal binding power, it influences U.S. federal budget allocations and policy priorities [4][8].