The Rise of China

[yeokiwi]

With 45 years since creation, it is not dissolve out of nature course, but been actively participated and enhanced by new members joined. It should be a good reason to it.
ASEAN is more of a political alliance, than a economical alliance.

Eh... it is the first bullet and first description of the ASEAN's aims and purposes.

http://www.aseansec.org/about_ASEAN.html

AIMS AND PURPOSES

As set out in the ASEAN Declaration, the aims and purposes of ASEAN are:

To accelerate the economic growth, social progress and cultural development in the region through joint endeavours in the spirit of equality and partnership in order to strengthen the foundation for a prosperous and peaceful community of Southeast Asian Nations;

To promote regional peace and stability through abiding respect for justice and the rule of law in the relationship among countries of the region and adherence to the principles of the United Nations Charter;
To promote active collaboration and mutual assistance on matters of common interest in the economic, social, cultural, technical, scientific and administrative fields;
To provide assistance to each other in the form of training and research facilities in the educational, professional, technical and administrative spheres;
To collaborate more effectively for the greater utilisation of their agriculture and industries, the expansion of their trade, including the study of the problems of international commodity trade, the improvement of their transportation and communications facilities and the raising of the living standards of their peoples;
To promote Southeast Asian studies; and
To maintain close and beneficial cooperation with existing international and regional organisations with similar aims and purposes, and explore all avenues for even closer cooperation among themselves.