The best way for an experienced player in the field of international trade negotiations to improve their skills would be to get as much information about the product that they are trading with. This means keeping up-to-date on all relevant regulations, treaty agreements and industry standards. They can use this knowledge to identify any potential red flags which may indicate a possible breach in ethical business practice (e.g., an unusual payment term or unfair competition). Here are some steps they should follow: - Research the specific rules of international trade law for each region your client is interested in trading with and understand what their legal obligations, if any.