Food security means starches grains and unless your vegetarian or vegan, meat. All the kale and fresh summer produce in the world wont see a comunity through the winter without stress or crazy amounts of preservations. In fact it was the domesticable grains (and animals) found in the fertile crescent that are largely responsible for humans large advancements around 10,000 years a go. In this short Video you see a demonstration of how to harvest wheat by hand. It’s not as efficient as a few thousand acres harvested by a combine, but it’s important to remember, we’ve all got it in us. Know your world!