Although the main war was fought between the nationalist forces, other countries also joined the war to support their allied countries. One of these countries was Australia. During my studies I found five reasons that Australia entered the Vietnam war, the first was that Australia was part of the American alliance through the ANZUS and SEATO treaties. ANZUS is the military alliance which combines Australia and New Zealand and, Australia and the United States to join together on defence matters in the Pacific Ocean area. Similarly the South East Asia Treaty Organization (SEATO) was an international organization for collective defence in Southeast Asia created by the Southeast Asia Collective Defence Treaty. It consisted of Australia, France, New Zealand, Pakistan, Bangladesh, the Philippines, Thailand, the United Kingdom and the United States.
The second reason that I found was