Hey @survivalparaguay,
your totally right. Everybody should think about some possible situations, what can happend in the world. When you look at the last 10 years, you can easily see, that many things have chenged... and mostly to the bad.
We have fracting, solar radiation management, drones, microwavewave tanks and laser weapons, there are so many refugees on the way, the usa destabilize some more countries, flacka and cloud 9 and and and

So its better to be a little bit prepared and to think about some situations, before evereythings goes bad ;)

Thanks for your helpful and interesting post! Would be a pleasure to read more! :)