Alliance as a form of security cooperation between the country，Wide existence in the practice of international relations in ancient and modern Chinese and foreign。"Book of Rites" said "Yue Xin Yue Oath，莅 盟 盟 "，"The History of the Berlonnenian War" chapter 1 mentioned that Athens and Sparta had the "Alliance of War"，It indicates that the alliance is a common form of national relations between China and the West。Alliance is also vitality in contemporary international relations，In the post -Cold War era，Can the alliance be continued、How to transform and other issues have aroused the attention and discussion of the academic community，Alliance research needs to be "the way of ancient times，With the Royal Jin, "。In this background，The new book "Alliance Research: Theory and Cases" written by Ling Shengli, an associate professor of the Institute of Foreign Affairs，A comprehensive and in -depth analysis of the alliance theory and practice。The book focuses on the formation of the alliance at the theoretical research level、Management、Transformation and Division，cover the core content of the alliance theory; at the case research level, the Asia -Pacific alliance system and some bilateral alliances built in the United States are examples，Formation of the Alliance、Analysis of the status quo and bet365 best casino games trend。This book is still at the forefront，Study on issues such as "Alliance"，How to integrate China's alliances into various chapters，Analysis of the reasons for not alliance in China and China's peripheral security strategy，Research characteristics of "I am dominated by me"。

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The author thinks，The stronger the strength of the country，The more significant the "security" of its interests，The greater the corresponding safety needs，The demand for alliances will become stronger，This reflects the security logic formed by the alliance。Under this logic，Meeting security needs will inevitably increase the country's demand for the international system，The state will seek to master international dominance，Alliance is an effective way to achieve this goal。As a case，The author demonstrates that the United States has abandoned the "Refusal Alliance" policy，The root cause of the history is the rise of strength，The appeal of the international system changes，To avoid a direct or potential threat to its international status to avoid specific countries，Turned to actively build an alliance system，to meet its safety needs。

This security logic helps to better interpret the alliance to form theory。For the formation of the alliance，Traditionally power balance、Balance of interests、Threrivery balance three theories。The relationship between international dominance and alliance formed by the security logic in the book，It is beneficial to understanding the theory of understanding power Bet365 app download balance.。The security logic formed by the alliance emphasizes the correlation of the "security" of national strength and interests，helps to sort out the factor relationship in the theory of interest balance。At the same time，This logic also contains the prerequisite for security threats，Analysis perspective that can be used as a threat intention，The characteristics of focusing on safety needs are also in line with the cognitive analysis path of threat balance theory。

　　Adaptation path of alliance dilemma

Alliance dilemma is an important clue that runs through the book，Management and Transformation is the adjustment path of the alliance dilemma。When the security threat of the league has dynamic changes，Alliance needs internal management to adjust the dilemma of the alliance，The book takes the Bilateral Alliance of the United States and Japan as an example to illustrate this normalized adaptation path; when the safety threats occur,，Alliance core variables evolve with it，It is even more difficult to adjust the dilemma of the alliance，Alliance needs to adapt to reality through transformation，The book takes the U.S. Asia -Pacific Alliance as an example to illustrate this fundamental adaptation path。other，The author also studied alliance differentiation through wedge strategy，wedge strategy is to exacerbate the dilemma of the alliance，It is difficult to maintain the security relationship of hostile alliances。Alliance Differential intentions make it difficult for the hostile alliance to maintain it with the help of the alliance dilemma，bet365 live casino games It is an anti -adjustment of alliance dilemma。

The alliance dilemma explained and its adaptive path can be used to analyze the reasons why the alliance disintegrates。There are multiple explanations for the cause of the league to disintegrate，Strategic adjustment is considered an important factor affecting the disintegration of the alliance，Its source is exactly the dilemma of the league。Alliance dilemma is like a thick layer of haze，Drive the alliance to "see the clouds to see the sun" through various adaptive paths "。If the alliance adjusts improperly，Alliance members who are "implicated" or "abandoned" will become more and more prominent，Safety cooperation of various countries will be unswerving，Alliance will disintegrate from this。So，You need to pay special attention to the alliance dilemma in the alliance research，An internal and external problems of the alliance with the clue analysis。For the league itself，To accurately adjust the dilemma of different degrees of alliance，It should also focus on preventing the anti -adjustment of the dilemma of the alliance for the prevention and resolution of the distinction means such as wedge strategy，Maintain the security relationship of the alliance。

　　Alternative solution for security cooperation

The alternative of security cooperation outside the alliance is also the focus of the author's attention。"Alliance" as a possible alternative plan for the alliance，Some functions of the alliance，But more flexible，Can be divided into quasi -alliance、topic alliance、Four categories of joint front and partnership。The author thinks，Alliance will transform in a more bet365 live casino games inclusive direction in the future，To adapt to the actual needs of safety practice。China adopts a security cooperation solution for "not alliance"，Prove the partnership built in China that meets its own interests，It is a better form of its international security cooperation。Of course，Partnership relationship also has its own deficiencies，To avoid strengths and avoid weaknesses in use，Make it play the maximum effectiveness in safety cooperation。

Observing the current international relations can be known，Safety cooperation plan no longer refers to safety issues，The trend of extending outward in the field of security is continuously enhanced，Interactive relationships in areas such as safety and development are also more significant。For example，Alliance function is considered to be extended in various fields outside the security，The issues involved in the "Alliance" and other "alliances" also expanded to other fields。No matter what kind of security cooperation plan adopted by each country，Both should pay attention to the organic connection between security and other fields，Coordinate related fields when formulating a security cooperation plan，Promote comprehensive safety and sustainable safety。

Generally speaking，This book is a good masterpiece in the field of alliance research，What is a little bit regrets is that there is a little lack of attention to the league's disintegration。Alliance disintegration is the weak link of the current alliance theoretical research，Need to pay attention to the academic circles，Therefore, the system of the alliance theory bet365 best casino games is more scientific and perfect。Looking forward to the future，Quantitative analysis method may play a more important role in alliance research。Previously, the academic community has explored the viscosity of the alliance through quantitative analysis、Alliance performance and other questions，The book also uses quantitative analysis thinking to establish an index system for alliance transformation。Subsequent research may be used to apply quantitative analysis methods to other related issues in alliance theory，Method of the alliance research to diversify、Comprehensive direction development。

As the book said，Alliance is an important form of international security cooperation。Security issues run through the whole process of alliance formation and development，Alliance research is essentially exploring the road of international security。Alliance as an ancient but still vibrant thing as an international relations，I will not quickly withdraw from the historical stage。Stone of his mountain，can attack jade，The in -depth expansion of alliance research helps my country to properly respond to the challenge of external alliances，When constructing tolerant partnerships, it is more measured to deal with Yu Ru。So，It is necessary to further deepen alliance research，To continuously explore letters and cultivation、The contribution of the international security path of pro -benevolent neighbors。

　(Author Unit: International Problem Research Center of Xi'an Jiaotong University)