#trade_barrier__tradebarrier__import_barrier  any regulation or policy that restricts international trade
  supertype:  protectionism  the policy of imposing duties or quotas on imports in order to protect home industries from overseas competition
  subtype:  quota.trade_barrier  a limitation on imports; "the quota for Japanese imports was negotiated"
  subtype:  trade_embargo__tradeembargo__embargo__trade_stoppage__tradestoppage  a government order imposing a trade barrier

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