CLEAN : Biden says US pivot to Asia

The United States is committed to defending its allies against North Korean aggression. The US does not recognize China's new air defense identification zone, which has caused regional apprehension. The US emphasizes the importance of cooperation among Japan, South Korea, and the US for regional stability. The international community must clearly oppose a nuclear-armed North Korea.

What does the speaker imply about the future of the region if cooperation improves?

What message does the international community send regarding North Korea's nuclear ambitions?