if the US launches 3,000 nuclear weapons at once at China via submarine on the high seas does China still have the ability to fight back if not why wouldn't the US do so the USA is a democracy and we support Innovation and trade our country is based on inventors the American inventors are the best in the world our inventions are all over the world including in China so USA does not have any interest in fighting against China only sharing and trading things in terms of Firepower even a country like the USA could not simply destroy any single country without consequences and nothing to gain not even a small country this sort of approach would be catastrophic for any Global power