Everyone looses, but domestic soy bean production would shift to some other crop, in the short term some big framing conglomerates would collect some government crop insurance subsidies.
It is not just soybean (pdf warning) They're 17% of our total Agriculture Exports right now. ... and then move to gobble up all the small operations that were just barely making it anyways. There are a lot more smallish operations than you might expect at first glance: the hubhub around contract farming is an interesting rabbit hole to google. https://www.washingtonpost.com/news/wonk/wp/2014/09/16/the-decline-of-the-small-american-family-farm-in-one-chart/?utm_term=.a93c290ad58b in the short term some big framing conglomerates would collect some government crop insurance subsidies
mean farm size[in 2011] is 234 acres