various religious groups fleeing persecution in europe
It should be 1929 - 1932 because that's when it dropped the most. All of the other choices have sections where it rises back up.
Explanation:
The trade took an ugly turn in the early 1800s. British merchants began carrying opium to China, and many Americans followed suit. Opium, a drug, created its own demand by making addicts of its users.
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.
It doesn’t differ. They both suffered death and loss, and they both simply want to protect their families.