Furthermore, be sure to sell your Caterpillar stock, because if there's a trade war, Korea, Japan and China will take over the world market, forever. That's just one example. It would take years to ramp up production and secure new sources of raw materials. In the meantime, consumers would be both starved of products while unable to afford US products on the pittance they make. The recession would be deep, lingering, and violently ugly.