A good strategy for retaliatory tariffs could be for industrial.nations being victimised by trump.economic terrorism, may want to tariffs the US AI behemoth, putting a sales tax on AI accounts which are booming US tech but starving industrial development in non AI nations, doubly hit by aggressive US economic nationalism, extorting their way to better terms of trade, off the back of honest industrial nations, pushing equitable free trade, not aggressive egoistic nationalism disrupting International markets for parochial political outcomes.