Adjustments And Limits Of The U.S.-Australia Alliance System Since The Trump Administration

As an important part of the US military alliance system,the US-Australia alliance is the "South Anchor" for the United States to maintain its Asia-Pacific hegemony system and order stability,and it is also an important cornerstone for the United States to demonstrate and maintain its power superiority.After the end of the Cold War,the US-Australia alliance,instead of disintegrating,developed further.The "Asia-Pacific Rebalancing Strategy" implemented during the Obama administration aims to strengthen the power and influence of the United States in the Asia-Pacific region.Australia’s position in it has risen accordingly,and the importance of the US-Australia alliance has greatly increased.The Trump administration’s foreign policy of "America First" and strategic contraction has injected uncertainties into the development of the US-Australia alliance to a certain extent.However,the United States and Australia have the same understanding of common threats.The eastward shift of the US strategic focus and the continuous advancement of the "Indo-Pacific strategy" have improved Australia’s position and role in the overall strategic layout of the United States,and has contributed to the sustainability of the US-Australia alliance system.Sexual development has injected a stabilizing factor.At the same time,the U.S.-Australia alliance system is deeply affected by China-U.S.relations and China-Australia relations.Australia’s traditional foreign policy of seeking to maintain a strategic balance between China and the United States has been challenged by the deterioration of Sino-US relations,and the trend of diplomatic imbalance is obvious.Australia does not hesitate to risk economic decoupling from China,and instead supports the United States more firmly and further consolidates it.The foundation of the US-Australia alliance.Since Trump took office,in order to contain China’s development and rise in an all-round way,the United States has gradually improved Australia’s position and role in its Asia-Pacific alliance system.The continuous advancement and deepening of the"Indo-Pacific Strategy" has expanded the cooperation basis of the US-Australia alliance.The military cooperation between the United States and Australia has been continuously strengthened.At the same time,the Trump administration upholds the"America first" foreign policy,weakens the alliance’s position in the US foreign policy,and injects instability into the development of the US-Australia alliance.The differences between the two sides have increased,and the US-Australia alliance has shown signs of loosening.From a long-term perspective,with the relative decline of US national power and the continuous increase in the strength and scope of containing China,the United States and Australia based on the common understanding of containing China will not change,and Australia will continue to play the "deputy police chief" And the role of "pawn in front of the horse",the confrontational color of the US-Australia alliance will inevitably become more prominent,which will cause problems for China’s security and development while deteriorating the regional security situation.