You're being snarky, but you are totally correct. The US could certainly just shut down all exports, and pretty quickly all trade would cease, and the economy

You're being snarky, but you are totally correct. The US could certainly just shut down all exports, and pretty quickly all trade would cease, and the economy would totally implode. It's completely doable, if that's what we want to do to ourselves. Lately, we Americans seem to really like shooting ourselves in the foot, so this would just be more of that, except with a bigger gun.