Respuesta :
The answers are 1 and 3
1) They protect an industry from foreign competition
3) They place sanctions on trade with another nation
Nations use trade barriers to protect from foreign competitors and social control trade. Hence, option A and C are correct.
Trade barrier has been defined as the legal restrictions that has been placed by the company for the establishment of trade entity in the region.
Why trade barriers?
The restrictions put by the nation varying for nation to nation. The reason for a nation to opt for trade barrier has been the protection of domestic suppliers and traders from foreign competitions.
The sanction or the restriction has been acted as the trade relation that has been able to protect the nation's trade value.
Thus, Nations use trade barriers to protect from foreign competitors and social control trade. Hence, option A and C are correct.
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