The form of 'warfare' in the 21st century has evolved into trade wars, technology wars, and financial wars, but its core remains the competition for resources and the power to set rules. Trump's tariff policy is like a 'smokeless Battle of Verdun'; although it has not triggered a hot war, it has accelerated the fragmentation of the global system. History reminds us: when economic nationalism overrides cooperative rationality, the risk of systemic collapse will rise exponentially. Humanity's real challenge may be whether we can learn the survival wisdom of 'non-zero-sum games' in the nuclear age #美国加征关税 $TRUMP