A trade barriers reducing policy is the policies that the Melanie's country has adopted to reduce international trade barriers.
A trade barrier refers to a natural barrier or imposed restraint by government on the flow of international goods or services.
Some examples of trade barrier includes import quotas, embargoes, buy-national regulations, distance, language etc.
In conclusion, a trade barriers reducing policy is the policies that the Melanie's country has adopted to reduce international trade barriers.
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