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.
The answer is C. Anglo-Saxons. Germanic groups had invaded England
during the Roman rule. This started when Constantine III, had withdrew and thus
started security problems in England. Because of this, soldiers ceded during
the Anglo-Saxon’s territory. Because of this, Anglo-Saxon’s tried to rebel
against the Roman Empire however, failed.