Much of our knowledge was reported by explorers who were involved in unpleasant circumstances

Our understanding of native Indian cultures may sometimes be partially or altogether incorrect because much of our knowledge was reported by explorers who were involved in unpleasant circumstances.

The statement refers to the fact that much of our knowledge about native Indian cultures was obtained through the reports of explorers who were often in difficult or unpleasant circumstances. This could potentially lead to biased or skewed perspectives, as these explorers may have been influenced by their personal experiences, fears, or prejudices. Therefore, our understanding of these cultures may sometimes be partially or entirely incorrect.