> Not sure what you mean by that. The US is a net food exporter by more than 70 million metric tons. you're right, http://www.fdaimports.com/blog/how-much-of-u

> Not sure what you mean by that. The US is a net food exporter by more than 70 million metric tons. you're right, http://www.fdaimports.com/blog/how-much-of-u-s-food-is-imported/ http://www.fdaimports.com/blog/how-much-of-u-s-food-is-impor... but it doesn't change the matter of concern: what happens to those other countries' economic development when a large percentage of their workforce is rapidly made non-existent.