Precisely, scarborough shoal which filippino brag belongs to them is effectively in Chinese hands and where is the yankee sending warship to support Pinoy? You american are scared?
Shrugs* The Philippines invited us in after in response to China's aggression. It actually benefited us since China didn't want American forces in there, same for the Filipinos after they kicked the U.S. out. Just like having a few thousand Marines in Australia. Don't know why China complains about that.
In the 90s, our offensive nuke is limited and the possibility of causing a devastated blow to the US is extremely limited. Beside, Taiwan back down so there is no need to raise tension. We already declare and set the red line as far as the reason to attack. The ball is not in our court. In fact, the ball is in your court.
For North Korea, it is a sovereign nation. We have no obligation to put all money and blood to die for that country. Anything we do with North Korea is purely strategic and neighborly business.
Actually the ball was in your court. After the carriers were sent you stopped firing missiles.