What extent can historians rely on the sources to develop an understanding of the peoples/cultures/societies that they describe?

Global History To what extent can historians rely on the sources to develop an understanding of the peoples/cultures/societies that they describe? 2. Do the sources tell us more about the authors than the peoples/cultures/societies that they describe? 3. To what extent do the descriptions of Mongols and/or indigenous peoples reveal an ‘imperial gaze’?