On the issue of the US going to war with China, one cannot predict its certainty. One can only hope that it never has to happen.

Trade with likely adversaries can always assist them and of that their is no doubt. Therefore, the trade has to be monitored and balanced. Assets like high technology and defence innovations should not be shared by the nation that is better off in these fields than the adversary.

However, trade with economic payoffs should always be engaged in.

Nuclear deterrence has its spinoff. However, nuclear deterrence alone is no failsafe answer. One has to have strategic depth and without that, nuclear deterrence is meaningless if the adversary has strategic depth.