Distribution networks is key. We are plenty of food to feed everyone in the world, right now. Petro-chemical based agriculture was one of the greatest innovation of humanity. But it's been misapplied and abused, mostly in the name of profits and slow/bad policy makers. Does not mean those tools and techniques can't be more properly applied.

Can we feed them American style diets? No, but I would argue that diet is not worth scaling as we see several negative health outcomes as the result of our quantity and quality of calories.

Link to my blog in my profile where I write about some of these things.