The president just keeps introducing more chaos.
Archived version: https://archive.is/newest/https://gizmodo.com/trump-threatens-104-tariffs-on-china-as-the-mad-king-plays-chicken-with-the-global-economy-2000585944
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If the USA embargoes have no effect as you claim then certainly a lot of hooting and hollering over the last century about the exact topic seems pointless in hindsight.