+Protectionism is an [economic policy](/wiki/economic_policy) shielding domestic industries from foreign competition. It often employs [trade barriers](/wiki/trade_barrier) like tariffs and quotas to limit imports, aiming to safeguard jobs and national security.
+## See also
+- [Tariff](/wiki/tariff)
+- [Quota](/wiki/quota)
+- [Free Trade](/wiki/free_trade)
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