B, the Treaty of Versailles. The other answers refer to WW2
There were tribes all over the place, practically each one spoke different languages and lived differently
Answer:
d. worked to protect native Americans and Africans from brutal treatment.
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.