

Do they? As much as we like to play it quiet, the US exports a lot of food globally- China gets some $17b worth. Those tend to be perishable, so any hot war would have to be over quickly for China to come outahead, and any protracted war would see them need a new breadbasket eother domestic (reducing the industrial/military work pool), or international (which comes with the same risks they have now over US ties).
Does the foreign vacuum work better? Is it more compact? Are the technologies it is built on protected by IP law? If it’s a cheap junk crescent wrench that I’ll use once because I need it only once, I’d rather not pay double for quality.