Brunei Cambodia Indonesia Laos Malaysia Myanmar Philippines Singapore Thailand Vietnam At its foundation: Political and military security alliance to deter the spread of communism in the region. After the Cold War, it focuses on the economy and was adopted in Vietnam and Laos. Achievement: Forced Vietnam out of Cambodia by having military drills Critics: Not quite effective for economic growth. Did nothing about the arrest of Aung San Suu Kyi and accepted Myanmar to join in 1997. Collective security to be more influential on the world stage. Improve their own domestic interest such as increasing trade and technology development.