US-CHINA RIVALRY DRIVES ASIA-PACIFIC GEOPOLITICS AND SECURITY IN 2026

The US-China rivalry defines Asia-Pacific political and strategic dynamics in 2026, driving regional security priorities and economic governance. Washington and Beijing compete to control maritime routes, secure energy resources, and militarize strategic areas including Taiwan, the South China Sea, and the Korean Peninsula. China strengthens its military capabilities near Korea and in the South China Sea while conducting exercises like Justice Mission 2025 and Peace and Friendship-2025. The US 2026 Defense Strategy emphasizes deterrence by denial along the First Island Chain, marking a decisive shift from past reassurance strategies despite ambiguities that may weaken its effectiveness.