What controversies have the agencies discussed in this section encountered? What issues or problems tend to lead to such controversies?

The correct answer to this open question is the following.

You did not include any reference, text, or further context. We do not know what is the topic of controversy.

However, by doing some research we can help you with the following.

If you are referring to the controversy between formal science vs. pseudoscience, then the issues or problems that tend to lead to such controversies are the lack of evidence used by pseudoscientists when trying to prove something.

True scholars and scientists know that the scientific method is the only way to validate a phenomenon. The results can be repeated one, two, and three times, and scientists had to validate the results every single time. Then, we can say that something has scientific support and validation.

On the contrary, pseudoscientists often times do not include validation, just opinions, and general comments based on their own perspectives.

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

hope this .

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