Option E , ASEAN trading bloc would reduce trade barriers between China and Vietnam
Step-by-step explanation:
The Association is a national intergovernmental body of ten countries in Southeast Asia that promotes intergovernmental cooperation and facilitates the integration of its members and others in the Asian economy, diplomacy, defense, the army, education and social-culture.
In and beyond the Asia-Pacific region, ASEAN regularly engages with other countries. ASEAN is a major partner in the Shanghai Cooperation Organization and operates a global network of allies and dialog members, many of them considered a financial superpower and central Asia-Pacific co-operation union.
The ASEAN Secretariat is headquartered in Jakarta, Indonesia, and is involved in numerous international affairs, and holds diplomatic missions all over the world.