This is a boon for those that would like to see The United States power in Northeast Asia diminished and Northeast Asia alliances weakened -- specifically, China and North Korea, both see the United States as their primary adversary and The United States alliances as a major impediment to their strategic objectives. Problems between The United States alliances -- especially those as critical as Japan and South Korea -- is seen as both a challenge for American strategy but also a symbol of diminishing American power in Northeast Asia.