What is the difference between World Trade Law and International Law?

Ive to write a research paper on the topic World Trade Law and International Law: How they differ?. Kindly help me with the topic. or:I've to write a

I've to write a research paper on the topic 'World Trade Law and International Law: How they differ?'. Kindly help me with the topic.

or:I've to write a research paper on the topic 'World Trade Law and International Law: How they differ?'. Kindly help me with the topic.

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