<span>German submarines sinking the British liner Lusitania. </span>
Answer: D
An idiom is a funny saying/phrase. It does not serve as any criminal law or military action. It doesn't mean a foolish person, but it is just an artistic style used in some texts.
Hope this helps you!
Answer:
The threat of the grwoing power of Nazis
Explanation:
Your answer is going to be B