The US has an abundance of many of the materials that we use to make everything from cars to computers to houses – metals, minerals, plant products, plastics, etc.. The problem in this sub-section of the Interlock comes from those critical items, particularly bauxite, lithium, and other strategic minerals (such as rare earths), that we must import to keep our economy supplied. Should those imports stop, for any reason, our economy would be in serious trouble. Like energy and food, this isn’t a problem right now – but, in a world of increasingly intense competition for raw materials, it will become a very serious problem if we don’t plan now for how to deal with it.
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