Answer :
Final answer:
The Zimmerman Telegram's importance is highlighted by the unique delivery method chosen by Arthur Zimmermann.
Explanation:
The evidence from the excerpt of the Zimmerman Telegram indicates the importance of the message due to the method of delivery. Arthur Zimmermann's decision to have the message carried aboard a U-boat to ensure it reached its destination and his efforts to go through diplomatic channels via Sweden and Washington suggest the message's significance.
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