Many people believe that the collapse of the Indus Valley Civilization was caused by climate change.
Answer:
The attainment of <u>historical objectivity</u> in history and historical writing has been found to be challenged by clash of ideas, personalities, personal histories, opinions, interpretations, social pressures, and different ages.
Answer: They help to clarify what happened in a crime.
Explanation: Witnesses tell the judge and/or jury everything they know about an event. A witness is someone who has <em>relevant information</em> about a crime that had taken place.