Governments impose tariffs (which are border taxes paid by the importer) to help protect their nation's businesses from foreign competition. Learn how tariffs work, how they don't work, and why they can actually hurt local businesses and consumers in this episode of BrainStuff, based on these articles: https://money.howstuffworks.com/who-wins-loses-in-trade-war.htm; https://money.howstuffworks.com/who-wins-and-loses-if-us-imposes-steel-tariffs.htm
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