Answer :
International trade organizations promote free trade by encouraging countries to limit their protectionism policies.
Basically, the protectionism policies refers to various policy used by government to protect the domestic industries against foreign competition such as tariffs, subsidies, import quotas etc.
So, the International trade organizations aims to promote free trade by encouraging countries to limit their protectionism policies.
Therefore, the Option C is correct.
Read more about protectionism policies
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